<?xml version="1.0" encoding="ISO-8859-1"?>
<neuroml xmlns="http://www.neuroml.org/schema/neuroml2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.neuroml.org/schema/neuroml2 https://raw.github.com/NeuroML/NeuroML2/development/Schemas/NeuroML2/NeuroML_v2beta4.xsd" id="Ca_LVAst">
<notes>NeuroML file containing a single Channel description</notes>
<ionChannel id="Ca_LVAst" conductance="10pS" type="ionChannelHH" species="ca">
<notes>Low voltage activated Ca2+ current
Comment from original mod file:
Note: mtau is an approximation from the plots
:Reference : : Avery and Johnston 1996, tau from Randall 1997
:Comment: shifted by -10 mv to correct for junction potential
:Comment: corrected rates using q10 = 2.3, target temperature 34, orginal 21</notes>
<annotation>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about="Ca_LVAst">
<bqmodel:isDescribedBy xmlns:bqmodel="http://biomodels.net/model-qualifiers/">
<rdf:Bag>
<rdf:li>Models of Neocortical Layer 5b Pyramidal Cells Capturing a Wide Range of Dendritic and Perisomatic Active Properties,
Etay Hay, Sean Hill, Felix Schürmann, Henry Markram and Idan Segev, PLoS Comp Biol 2011</rdf:li>
<rdf:li rdf:resource="http://www.ncbi.nlm.nih.gov/pubmed/21829333"/>
</rdf:Bag>
</bqmodel:isDescribedBy>
<bqbiol:isVersionOf xmlns:bqbiol="http://biomodels.net/biology-qualifiers/">
<rdf:Bag>
<rdf:li>Ca channels</rdf:li>
<rdf:li rdf:resource="http://senselab.med.yale.edu/neurondb/channelGene2.aspx#table1"/>
</rdf:Bag>
</bqbiol:isVersionOf>
</rdf:Description>
</rdf:RDF>
</annotation>
<gate id="m" type="gateHHtauInf" instances="2">
<q10Settings type="q10Fixed" fixedQ10="2.95288264"/>
<timeCourse type="Ca_LVAst_m_tau_tau"/>
<steadyState type="HHSigmoidVariable" rate="1" scale="6mV" midpoint="-40mV"/>
</gate>
<gate id="h" type="gateHHtauInf" instances="1">
<q10Settings type="q10Fixed" fixedQ10="2.95288264"/>
<timeCourse type="Ca_LVAst_h_tau_tau"/>
<steadyState type="HHSigmoidVariable" rate="1" scale="-6.4mV" midpoint="-90mV"/>
</gate>
</ionChannel>
<ComponentType name="Ca_LVAst_m_tau_tau" extends="baseVoltageDepTime">
<Constant name="TIME_SCALE" dimension="time" value="1 ms"/>
<Constant name="VOLT_SCALE" dimension="voltage" value="1 mV"/>
<Dynamics>
<DerivedVariable name="V" dimension="none" value="v / VOLT_SCALE"/>
<DerivedVariable name="t" exposure="t" dimension="time" value="(5 + 20 / (1 + (exp ((V+35)/5) ))) * TIME_SCALE"/>
</Dynamics>
</ComponentType>
<ComponentType name="Ca_LVAst_h_tau_tau" extends="baseVoltageDepTime">
<Constant name="TIME_SCALE" dimension="time" value="1 ms"/>
<Constant name="VOLT_SCALE" dimension="voltage" value="1 mV"/>
<Dynamics>
<DerivedVariable name="V" dimension="none" value="v / VOLT_SCALE"/>
<DerivedVariable name="t" exposure="t" dimension="time" value="(20 + 50 / (1 + (exp ((V+50)/7) ))) * TIME_SCALE"/>
</Dynamics>
</ComponentType>
</neuroml>