<BioModel Name="PIP2 Hydrolysis JCB Submission" Annotation="This model is intended for anlaysis of PH-GFP experiments and includes binding of the probe to both PIP2 on the plasma membrane and IP3 in the cytosol. The system is based on bradykinin induced calcium release mediated by IP3 in N1E-115 neuroblastoma cells.">
  <Model Name="unnamed" Annotation="">
    <Compound Name="PIP2_PHGFP" Annotation="PIP2_PHGFP" />
    <Compound Name="PH_GFP" Annotation="Pleckstrin homology domain_GFP" />
    <Compound Name="PI" Annotation="Phosphatidylinositol" />
    <Compound Name="stim" Annotation="stimulus" />
    <Compound Name="IP3_PHGFP" Annotation="IP3_PHGFP" />
    <Compound Name="PIP2" Annotation="Phosphatidylinositolbisphosphate" />
    <Compound Name="PIP" Annotation="Phosphatidylinositol 4-phosphate" />
    <Compound Name="DAG" Annotation="Diacylglycerol" />
    <Compound Name="hv" Annotation="photon" />
    <Compound Name="IP3X" Annotation="Caged_IP3" />
    <Compound Name="PLC" Annotation="Phospholipase C" />
    <Compound Name="PLC_act" Annotation="1-Phosphatidylinositol-4,5-bisphosphate phosphodiesterase" />
    <Compound Name="IP3" Annotation="Inositol-1,4,5-trisphosphate" />
    <Feature Name="Cytosol" />
    <Feature Name="Nucleus" />
    <Feature Name="Extraclellular" />
    <Membrane InsideFeature="Nucleus" OutsideFeature="Cytosol" MembraneVoltage="Voltage_Membrane0" Name="NM" />
    <Membrane InsideFeature="Cytosol" OutsideFeature="Extraclellular" MembraneVoltage="Voltage_Membrane0" Name="PM" />
    <LocalizedCompound Name="PIP2_PHGFP_PM" CompoundRef="PIP2_PHGFP" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="PH_GFP_Cyt" CompoundRef="PH_GFP" Structure="Cytosol" OverrideName="true" />
    <LocalizedCompound Name="PI_PM" CompoundRef="PI" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="stim_PM" CompoundRef="stim" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="IP3_PHGFP_Cyt" CompoundRef="IP3_PHGFP" Structure="Cytosol" OverrideName="true" />
    <LocalizedCompound Name="PIP2_PM" CompoundRef="PIP2" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="PIP_PM" CompoundRef="PIP" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="DAG_PM" CompoundRef="DAG" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="hv_Cytosol" CompoundRef="hv" Structure="Cytosol" OverrideName="false" />
    <LocalizedCompound Name="IP3X_Cytosol" CompoundRef="IP3X" Structure="Cytosol" OverrideName="false" />
    <LocalizedCompound Name="PLC_PM" CompoundRef="PLC" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="PLC_act_PM" CompoundRef="PLC_act" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="IP3_Cyt" CompoundRef="IP3" Structure="Cytosol" OverrideName="true" />
    <SimpleReaction Structure="Cytosol" Name="IP3deg" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Parameter>
        <Parameter Name="kIP3deg">0.16</Parameter>
        <Parameter Name="IP3_basal">0.16</Parameter>
        <Rate>Rate_IP3deg</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="Cytosol" Name="IP3-PHGFP" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Reactant LocalizedCompoundRef="PH_GFP_Cyt" Stoichiometry="1" />
      <Product LocalizedCompoundRef="IP3_PHGFP_Cyt" Stoichiometry="1" />
      <Kinetics KineticsType="MassAction">
        <Parameter Name="kf_IP3PH">100.0</Parameter>
        <Parameter Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Parameter>
        <Parameter Name="KdIP3PH">2.0</Parameter>
        <ForwardRate>kf_IP3PH</ForwardRate>
        <ReverseRate>kr_IP3PH</ReverseRate>
        <Rate>(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2_PH" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PH_GFP_Cyt" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PIP2_PHGFP_PM" Stoichiometry="1" />
      <Reactant LocalizedCompoundRef="PIP2_PM" Stoichiometry="1" />
      <Kinetics KineticsType="MassAction">
        <Parameter Name="kf_PIP2PH">200.0</Parameter>
        <Parameter Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Parameter>
        <Parameter Name="KdPIP2PH">2.0</Parameter>
        <ForwardRate>kf_PIP2PH</ForwardRate>
        <ReverseRate>kr_PIP2PH</ReverseRate>
        <Rate>(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2Syn" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PIP_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PIP2_PM" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Parameter>
        <Parameter Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Parameter>
        <Parameter Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Parameter>
        <Parameter Name="kBasalSynPIP2">0.045</Parameter>
        <Parameter Name="PIP2_basal">1072.0</Parameter>
        <Parameter Name="kStimSynPIP2">0.01</Parameter>
        <Parameter Name="tauPIP2syn">0.05</Parameter>
        <Parameter Name="PIP2syndecay">10.0</Parameter>
        <Rate>Rate_PIP2Syn</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIPSyn" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PI_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PIP_PM" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Parameter>
        <Parameter Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Parameter>
        <Parameter Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Parameter>
        <Parameter Name="kBasalSynPIP">0.0015</Parameter>
        <Parameter Name="PIP_basal">2857.0</Parameter>
        <Parameter Name="kStimSynPIP">0.01</Parameter>
        <Parameter Name="tauPIPsyn">0.05</Parameter>
        <Parameter Name="PIPsyndecay">10.0</Parameter>
        <Rate>Rate_PIPSyn</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2_hyd" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Product LocalizedCompoundRef="DAG_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Reactant LocalizedCompoundRef="PIP2_PM" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="PLC_act_PM" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Parameter>
        <Parameter Name="k_PIP2hyd">1.188</Parameter>
        <Rate>Rate_PIP2_hyd</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="Cytosol" Name="IP3_uncaging" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Product LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="hv_Cytosol" />
      <Reactant LocalizedCompoundRef="IP3X_Cytosol" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="J_IP3_uncaging">(intensity * IP3X_Cytosol * hv_Cytosol)</Parameter>
        <Parameter Name="intensity">100000.0</Parameter>
        <Rate>J_IP3_uncaging</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PLCact" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PLC_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PLC_act_PM" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="stim_PM" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Parameter>
        <Parameter Name="KfPLCact">1000.0</Parameter>
        <Parameter Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Parameter>
        <Parameter Name="krPLCact">10.0</Parameter>
        <Parameter Name="tau0">0.05</Parameter>
        <Parameter Name="stimdecay">6.0</Parameter>
        <Rate>RatePLCact</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2_PH_hyd" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PIP2_PHGFP_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PH_GFP_Cyt" Stoichiometry="1" />
      <Product LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="PLC_act_PM" />
      <Product LocalizedCompoundRef="DAG_PM" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Parameter>
        <Parameter Name="k_PIP2PHhyd">50.0</Parameter>
        <Rate>RatePIP2_PH_hyd</Rate>
      </Kinetics>
    </SimpleReaction>
    <Diagram Name="Membrane0" Structure="PM">
      <LocalizedCompoundShape LocalizedCompoundRef="PIP2_PHGFP_PM" LocationX="177" LocationY="305" />
      <LocalizedCompoundShape LocalizedCompoundRef="PI_PM" LocationX="49" LocationY="54" />
      <LocalizedCompoundShape LocalizedCompoundRef="stim_PM" LocationX="123" LocationY="342" />
      <LocalizedCompoundShape LocalizedCompoundRef="PIP2_PM" LocationX="25" LocationY="350" />
      <LocalizedCompoundShape LocalizedCompoundRef="PIP_PM" LocationX="66" LocationY="182" />
      <LocalizedCompoundShape LocalizedCompoundRef="DAG_PM" LocationX="331" LocationY="429" />
      <LocalizedCompoundShape LocalizedCompoundRef="PLC_PM" LocationX="143" LocationY="410" />
      <LocalizedCompoundShape LocalizedCompoundRef="PLC_act_PM" LocationX="247" LocationY="407" />
      <LocalizedCompoundShape LocalizedCompoundRef="PH_GFP_Cyt" LocationX="41" LocationY="160" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_PHGFP_Cyt" LocationX="30" LocationY="102" />
      <LocalizedCompoundShape LocalizedCompoundRef="hv_Cytosol" LocationX="60" LocationY="50" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3X_Cytosol" LocationX="18" LocationY="49" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_Cyt" LocationX="43" LocationY="448" />
      <SimpleReactionShape SimpleReactionRef="PIP2_PH" LocationX="274" LocationY="231" />
      <SimpleReactionShape SimpleReactionRef="PIP2Syn" LocationX="76" LocationY="247" />
      <SimpleReactionShape SimpleReactionRef="PIPSyn" LocationX="54" LocationY="122" />
      <SimpleReactionShape SimpleReactionRef="PIP2_hyd" LocationX="177" LocationY="473" />
      <SimpleReactionShape SimpleReactionRef="PLCact" LocationX="183" LocationY="395" />
      <SimpleReactionShape SimpleReactionRef="PIP2_PH_hyd" LocationX="273" LocationY="329" />
    </Diagram>
    <Diagram Name="unnamed" Structure="Extraclellular" />
    <Diagram Name="Membrane0" Structure="NM" />
    <Diagram Name="Feature0" Structure="Cytosol">
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_Cyt" LocationX="153" LocationY="155" />
      <LocalizedCompoundShape LocalizedCompoundRef="PLC_Cyt" LocationX="27" LocationY="21" />
      <LocalizedCompoundShape LocalizedCompoundRef="PH_GFP_Cyt" LocationX="107" LocationY="286" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_PHGFP_Cyt" LocationX="321" LocationY="233" />
      <LocalizedCompoundShape LocalizedCompoundRef="hv_Cytosol" LocationX="110" LocationY="39" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3X_Cytosol" LocationX="36" LocationY="79" />
      <SimpleReactionShape SimpleReactionRef="IP3deg" LocationX="249" LocationY="97" />
      <SimpleReactionShape SimpleReactionRef="IP3-PHGFP" LocationX="206" LocationY="229" />
      <SimpleReactionShape SimpleReactionRef="reaction0" LocationX="80" LocationY="102" />
    </Diagram>
    <Diagram Name="Feature0" Structure="Nucleus" />
    <Version Name="unnamed" FromVersionable="true"></Version>
  </Model>
  <SimulationSpec Name="steady state compartment" Annotation="">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.263" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="true" EnableDiffusion="true">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1200000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>12000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="fast" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="steady state compartment" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">0.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="intensity">100000.0</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">0.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">1200000.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">1.0</Constant>
      <Constant Name="SurfToVol_PM">0.263</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="PI_PM">1200000.0</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">0.0</Constant>
      <Constant Name="PIP2_PM_init">12000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="PH_GFP_Cyt">1.0</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">0.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">0.0</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="PIP2_PM">12000.0</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="IP3_Cyt">0.16</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PIP2_PHGFP_PM" />
      <VolumeVariable Name="IP3X_Cytosol" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="DAG_PM" />
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="K_hv_Cytosol_total">(hv_Cytosol_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)</Function>
      <Function Name="hv_Cytosol">(K_hv_Cytosol_total / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="J_IP3_uncaging">(intensity * IP3X_Cytosol * hv_Cytosol)</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>0.0</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3X_Cytosol">
          <Rate> - J_IP3_uncaging</Rate>
          <Initial>IP3X_Cytosol_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PHGFP_PM">
          <Rate>(J_PIP2_PH - RatePIP2_PH_hyd)</Rate>
          <Initial>PIP2_PHGFP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
        <FastSystem>
          <FastRate>J_IP3_PHGFP</FastRate>
        </FastSystem>
      </CompartmentSubDomain>
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="ss check 1" Annotation="Total PIP2 + both complexes =&amp;#10;12,000molec/um2">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="1" KeepAtMost="1000" Solver="Runge-Kutta-Fehlberg (Fifth Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="1.0" />
        <TimeStep DefaultTime="0.1" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="kf_IP3PH">100.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.16</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.01</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="PIPsyndecay">10.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kBasalSynPIP">0.0015</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="PI_PM">142857.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kStimSynPIP2">0.01</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="k_PIP2hyd">1.188</Constant>
        <Constant Name="kBasalSynPIP2">0.045</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2syndecay">10.0</Constant>
        <Constant Name="kf_PIP2PH">200.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="PH_GFP_Cyt">2.30769</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="k_PIP2PHhyd">50.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="SurfToVol_PM">0.263</Constant>
      </MathOverrides>
      <Version Name="ss check 1" FromVersionable="true">Total PIP2 + both complexes =&amp;#10;12,000molec/um2</Version>
    </Simulation>
    <Version Name="steady state compartment" FromVersionable="true"></Version>
  </SimulationSpec>
  <SimulationSpec Name="uncaging" Annotation="(copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.263" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.30769</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>3.6923</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="false" EnableDiffusion="true">
        <Initial>1.01446</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4617.4</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Average Exp Params - fast off" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="intensity">100000.0</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">1.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
      <Constant Name="hv_Cytosol">1.0</Constant>
      <Constant Name="SurfToVol_PM">0.263</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="IP3X_Cytosol" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="PIP2_PM" />
      <VolumeVariable Name="IP3_Cyt" />
      <Function Name="K_PI_PM_total">(PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE)</Function>
      <Function Name="K_PH_GFP_Cyt_total">( - (DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(((DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">((DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PIP2_PHGFP_PM">(( - (DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PIP2_PHGFP_PM_total - (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="K_PIP_PM_total">(PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE)</Function>
      <Function Name="PIP_PM">(K_PIP_PM_total / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="PI_PM">(K_PI_PM_total / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="J_IP3_uncaging">(intensity * IP3X_Cytosol * hv_Cytosol)</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3X_Cytosol">
          <Rate> - J_IP3_uncaging</Rate>
          <Initial>IP3X_Cytosol_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3_Cyt">
          <Rate>((RatePIP2_PH_hyd * Kflux_PM_Cytosol * KMOLE) + J_IP3_uncaging - Rate_IP3deg - J_IP3_PHGFP)</Rate>
          <Initial>IP3_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate> - J_PIP2_PH</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>RatePIP2_PH_hyd</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Average Exp Params - fast off" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="First Try" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="First Try" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="3X PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="3X PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="0.3X PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="0.3X PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="SS check - 0 IP3X_Cyt" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.16</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="SS check - 0 IP3X_Cyt" FromVersionable="true"></Version>
    </Simulation>
    <Version Name="uncaging" FromVersionable="true">(copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Compartmental Sim" Annotation="(copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.263" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>5.46296</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.437037</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2928.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>1072.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Compartmental Sim" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">0.437037</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">5.46296</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="SurfToVol_PM">0.263</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">1072.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">2928.0</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="PI_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="PIP2_PM" />
      <VolumeVariable Name="IP3_Cyt" />
      <Function Name="K_PH_GFP_Cyt_total">( - (DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(((DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">((DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PIP2_PHGFP_PM">(( - (DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PIP2_PHGFP_PM_total - (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3_Cyt">
          <Rate>((RatePIP2_PH_hyd * Kflux_PM_Cytosol * KMOLE) + (Rate_PIP2_hyd * Kflux_PM_Cytosol * KMOLE) - Rate_IP3deg - J_IP3_PHGFP)</Rate>
          <Initial>IP3_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate>( - Rate_PIP2_hyd - J_PIP2_PH + Rate_PIP2Syn)</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Compartmental Sim" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="no PHGFP,  S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">2.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">0.0</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="no PHGFP,  S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 3X PH-GFP" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 3X PH-GFP" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 0.3X PH-GFP" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 0.3X PH-GFP" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="copy of PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.0</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="copy of PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Version Name="Compartmental Sim" FromVersionable="true">(copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Comp Fixed IP3" Annotation="(copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.5" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.30769</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>3.6923</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4617.4</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Comp Fixed IP3" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="SurfToVol_PM">0.5</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="IP3_Cyt">0.16</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="PI_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="PIP2_PM" />
      <Function Name="K_PH_GFP_Cyt_total">( - (DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(((DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">((DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PIP2_PHGFP_PM">(( - (DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PIP2_PHGFP_PM_total - (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate>( - Rate_PIP2_hyd - J_PIP2_PH + Rate_PIP2Syn)</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Comp Fixed IP3" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="Fixed IP3" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed IP3, 3x PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3, 3x PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed IP3, 0.3x PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3, 0.3x PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed IP3 Increase Affinity for PIP2" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">0.1</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">92307.6</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3 Increase Affinity for PIP2" FromVersionable="true"></Version>
    </Simulation>
    <Version Name="Comp Fixed IP3" FromVersionable="true">(copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Comp Fixed PIP2" Annotation="(copied from Comp Fixed IP3) (copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.5" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.30769</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>3.6923</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4617.4</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Comp Fixed PIP2" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="SurfToVol_PM">0.5</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="PIP2_PM">4000.0</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PIP2_PHGFP_PM" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="PI_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="IP3_Cyt" />
      <Function Name="K_PH_GFP_Cyt_total">((PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(( - (PIP2_PHGFP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3_Cyt">
          <Rate>((RatePIP2_PH_hyd * Kflux_PM_Cytosol * KMOLE) + (Rate_PIP2_hyd * Kflux_PM_Cytosol * KMOLE) - Rate_IP3deg - J_IP3_PHGFP)</Rate>
          <Initial>IP3_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PHGFP_PM">
          <Rate>(J_PIP2_PH - RatePIP2_PH_hyd)</Rate>
          <Initial>PIP2_PHGFP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Comp Fixed PIP2" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="Fixed PIP2" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed PIP2 0.3XPH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2 0.3XPH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed PIP2 3XPH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2 3XPH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed PIP2, Increase PIP2PH affinity" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">0.1</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">92307.6</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2, Increase PIP2PH affinity" FromVersionable="true"></Version>
    </Simulation>
    <Version Name="Comp Fixed PIP2" FromVersionable="true">(copied from Comp Fixed IP3) (copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Image-based 2D; Fast IP3PH" Annotation="(copied from Image-based Geom) (copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) " CharacteristicSize="0.14276470588235293">
    <Geometry Name="N1E_for_PIP2" Dimension="2" Annotation="">
      <Extent X="48.54" Y="71.24" Z="1.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <Image Name="N1E for PIP2" Annotation="NoName">
        <ImageData X="340" Y="499" Z="1" 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3E9BEAB3A93E930664527D060DC8A4FA849A367DA4237D7B2DC1695CE925C6CBA601D934209BEAB3A83E930665D3806C1A9051F5D9549F4D23B2694036D567D2904C1A904D03B26940160DC8A401D934209B0664537D260DC8A40199342093C664D390D23A2C3DD605B26944AF9300C08338E79C73CE39E79C73CE3947F61F5D3DBA9D</ImageData>
        <PixelClass Name="EC" ImagePixelValue="0" />
        <PixelClass Name="Cyt" ImagePixelValue="127" />
        <PixelClass Name="Nuc" ImagePixelValue="255" />
        <Version Name="N1E for PIP2" FromVersionable="true">NoName</Version>
      </Image>
      <SubVolume Name="EC" Handle="0" Type="Image" ImagePixelValue="0" />
      <SubVolume Name="Cyt" Handle="1" Type="Image" ImagePixelValue="127" />
      <SubVolume Name="Nuc" Handle="2" Type="Image" ImagePixelValue="255" />
      <Version Name="N1E_for_PIP2" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Cyt" Resolved="true">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Nuc" Resolved="true">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="EC" Resolved="true">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.2" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.2" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>1.76923</Initial>
        <Diffusion>50.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.8308</Initial>
        <Diffusion>50.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>283.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>3538.46</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="fast" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="excluded" />
    </ReactionContext>
    <MathDescription Name="Image-based 2D; Fast IP3PH" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">2.8308</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">1.76923</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">3538.46</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP" />
      <VolumeVariable Name="PH_GFP" />
      <VolumeVariable Name="IP3" />
      <MembraneVariable Name="PLC_act_PM" />
      <MembraneVariable Name="PIP_PM" />
      <MembraneVariable Name="PI_PM" />
      <MembraneVariable Name="DAG_PM" />
      <MembraneVariable Name="PIP2_PM" />
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">(DAG_PM_init + PIP_PM_init + PIP2_PM_init + PIP2_PHGFP_PM_init + PI_PM_init)</Function>
      <Function Name="PIP2_PHGFP_PM">( - DAG_PM - PIP_PM - PIP2_PM + K_PIP2_PHGFP_PM_total - PI_PM)</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_INSIDE) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">(PLC_PM_init + PLC_act_PM_init)</Function>
      <Function Name="PLC_PM">(K_PLC_PM_total - PLC_act_PM)</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3) * PH_GFP) - (kr_IP3PH * IP3_PHGFP))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3 - IP3_basal))</Function>
      <CompartmentSubDomain Name="EC" Priority="1">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <PdeEquation Name="PH_GFP">
          <Rate>0.0</Rate>
          <Diffusion>50.0</Diffusion>
          <Initial>0.0</Initial>
        </PdeEquation>
        <PdeEquation Name="IP3_PHGFP">
          <Rate>0.0</Rate>
          <Diffusion>50.0</Diffusion>
          <Initial>0.0</Initial>
        </PdeEquation>
        <PdeEquation Name="IP3">
          <Rate>0.0</Rate>
          <Diffusion>283.0</Diffusion>
          <Initial>0.0</Initial>
        </PdeEquation>
      </CompartmentSubDomain>
      <CompartmentSubDomain Name="Cyt" Priority="2">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <PdeEquation Name="PH_GFP">
          <Rate>0.0</Rate>
          <Diffusion>50.0</Diffusion>
          <Initial>PH_GFP_Cyt_init</Initial>
        </PdeEquation>
        <PdeEquation Name="IP3_PHGFP">
          <Rate>0.0</Rate>
          <Diffusion>50.0</Diffusion>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </PdeEquation>
        <PdeEquation Name="IP3">
          <Rate> - Rate_IP3deg</Rate>
          <Diffusion>283.0</Diffusion>
          <Initial>IP3_Cyt_init</Initial>
        </PdeEquation>
        <FastSystem>
          <FastInvariant>(PH_GFP - IP3)</FastInvariant>
          <FastInvariant>(IP3_PHGFP + IP3)</FastInvariant>
          <FastRate> - J_IP3_PHGFP</FastRate>
        </FastSystem>
      </CompartmentSubDomain>
      <CompartmentSubDomain Name="Nuc" Priority="3">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <PdeEquation Name="PH_GFP">
          <Rate>0.0</Rate>
          <Diffusion>50.0</Diffusion>
          <Initial>0.0</Initial>
        </PdeEquation>
        <PdeEquation Name="IP3_PHGFP">
          <Rate>0.0</Rate>
          <Diffusion>50.0</Diffusion>
          <Initial>0.0</Initial>
        </PdeEquation>
        <PdeEquation Name="IP3">
          <Rate>0.0</Rate>
          <Diffusion>283.0</Diffusion>
          <Initial>0.0</Initial>
        </PdeEquation>
      </CompartmentSubDomain>
      <MembraneSubDomain InsideCompartment="Cyt" OutsideCompartment="EC">
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate>( - Rate_PIP2_hyd - J_PIP2_PH + Rate_PIP2Syn)</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>Rate_PIP2_hyd</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
        <JumpCondition Name="PH_GFP">
          <InFlux>(KMOLE * ( - 1.0 * J_PIP2_PH))</InFlux>
          <OutFlux>0.0</OutFlux>
        </JumpCondition>
        <JumpCondition Name="IP3_PHGFP">
          <InFlux>0.0</InFlux>
          <OutFlux>0.0</OutFlux>
        </JumpCondition>
        <JumpCondition Name="IP3">
          <InFlux>(KMOLE * Rate_PIP2_hyd)</InFlux>
          <OutFlux>0.0</OutFlux>
        </JumpCondition>
      </MembraneSubDomain>
      <MembraneSubDomain InsideCompartment="Nuc" OutsideCompartment="Cyt">
        <OdeEquation Name="PI_PM">
          <Rate>0.0</Rate>
          <Initial>0.0</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate>0.0</Rate>
          <Initial>0.0</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>0.0</Rate>
          <Initial>0.0</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>0.0</Rate>
          <Initial>0.0</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>0.0</Rate>
          <Initial>0.0</Initial>
        </OdeEquation>
        <JumpCondition Name="PH_GFP">
          <InFlux>0.0</InFlux>
          <OutFlux>0.0</OutFlux>
        </JumpCondition>
        <JumpCondition Name="IP3_PHGFP">
          <InFlux>0.0</InFlux>
          <OutFlux>0.0</OutFlux>
        </JumpCondition>
        <JumpCondition Name="IP3">
          <InFlux>0.0</InFlux>
          <OutFlux>0.0</OutFlux>
        </JumpCondition>
      </MembraneSubDomain>
      <Version Name="Image-based 2D; Fast IP3PH" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="Image; Fast 1" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="500" KeepAtMost="1000" Solver="Finite Volume, Regular Grid">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">1.76923</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">2.8308</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">3538.46</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
      </MathOverrides>
      <MeshSpecification>
        <Size X="58" Y="86" Z="1" />
      </MeshSpecification>
      <Version Name="Image; Fast 1" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Image; Fast 2" Annotation="1s test to check ss before 50ms">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="5" KeepAtMost="1000" Solver="Finite Volume, Regular Grid">
        <TimeBound StartTime="0.0" EndTime="1.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">1.76923</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">2.8308</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">3538.46</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
      </MathOverrides>
      <MeshSpecification>
        <Size X="58" Y="86" Z="1" />
      </MeshSpecification>
      <Version Name="Image; Fast 2" FromVersionable="true">1s test to check ss before 50ms</Version>
    </Simulation>
    <Simulation Name="Image; Fast 3" Annotation="1s test to check if shorter timestep is required">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="50" KeepAtMost="1000" Solver="Finite Volume, Regular Grid">
        <TimeBound StartTime="0.0" EndTime="1.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">1.76923</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">2.8308</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">3538.46</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
      </MathOverrides>
      <MeshSpecification>
        <Size X="58" Y="86" Z="1" />
      </MeshSpecification>
      <Version Name="Image; Fast 3" FromVersionable="true">1s test to check if shorter timestep is required</Version>
    </Simulation>
    <Simulation Name="Image; Fast 4" Annotation="4X membrane species except PLC, to account for 3D S:V&amp;#10;This has the effect of increasing the rate of production of IP3 without affecting&amp;#10; the relative rates of change of membrane species&amp;#10;All membrane variables will be divided by 4 to correct for this in the presentation of the data">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="500" KeepAtMost="1000" Solver="Finite Volume, Regular Grid">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PI_PM_init">(142857.0 * 4.0)</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">1.76923</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">2.8308</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(3538.46 * 4.0)</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="PIP2_basal">(4000.0 * 4.0)</Constant>
        <Constant Name="PIP2_PM_init">(4000.0 * 4.0)</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PIP_basal">(2857.0 * 4.0)</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PIP_PM_init">(2857.0 * 4.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
      </MathOverrides>
      <MeshSpecification>
        <Size X="58" Y="86" Z="1" />
      </MeshSpecification>
      <Version Name="Image; Fast 4" FromVersionable="true">4X membrane species except PLC, to account for 3D S:V&amp;#10;This has the effect of increasing the rate of production of IP3 without affecting&amp;#10; the relative rates of change of membrane species&amp;#10;All membrane variables will be divided by 4 to correct for this in the presentation of the data</Version>
    </Simulation>
    <Simulation Name="Image; Fast 5" Annotation="4X membrane species to account for 3D S:V&amp;#10;No PH-GFP">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="500" KeepAtMost="1000" Solver="Finite Volume, Regular Grid">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PI_PM_init">(142857.0 * 4.0)</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">0.0</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="PIP2_basal">(4000.0 * 4.0)</Constant>
        <Constant Name="PIP2_PM_init">(4000.0 * 4.0)</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PIP_basal">(2857.0 * 4.0)</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PIP_PM_init">(2857.0 * 4.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
      </MathOverrides>
      <MeshSpecification>
        <Size X="58" Y="86" Z="1" />
      </MeshSpecification>
      <Version Name="Image; Fast 5" FromVersionable="true">4X membrane species to account for 3D S:V&amp;#10;No PH-GFP</Version>
    </Simulation>
    <Simulation Name="Image; Fast 6" Annotation="4X membrane species to account for 3D S:V&amp;#10;No PH-GFP&amp;#10;Higher spatial resolution">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="2500" KeepAtMost="1000" Solver="Finite Volume, Regular Grid">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PI_PM_init">(142857.0 * 4.0)</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">0.0</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="PIP2_basal">(4000.0 * 4.0)</Constant>
        <Constant Name="PIP2_PM_init">(4000.0 * 4.0)</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PIP_basal">(2857.0 * 4.0)</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PIP_PM_init">(2857.0 * 4.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
      </MathOverrides>
      <MeshSpecification>
        <Size X="116" Y="172" Z="1" />
      </MeshSpecification>
      <Version Name="Image; Fast 6" FromVersionable="true">4X membrane species to account for 3D S:V&amp;#10;No PH-GFP&amp;#10;Higher spatial resolution</Version>
    </Simulation>
    <Version Name="Image-based 2D; Fast IP3PH" FromVersionable="true">(copied from Image-based Geom) (copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <Version Name="PIP2 Hydrolysis JCB Submission" FromVersionable="true">This model is intended for anlaysis of PH-GFP experiments and includes binding of the probe to both PIP2 on the plasma membrane and IP3 in the cytosol. The system is based on bradykinin induced calcium release mediated by IP3 in N1E-115 neuroblastoma cells.</Version>
</BioModel>