<?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="Nap_Et2"> <notes>NeuroML file containing a single Channel description</notes> <ionChannel id="Nap_Et2" conductance="10pS" type="ionChannelHH" species="na"> <notes>Persistent Na+ current Comment from original mod file: :Comment : mtau deduced from text (said to be 6 times faster than for NaTa) :Comment : so I used the equations from NaT and multiplied by 6 :Reference : Modeled according to kinetics derived from Magistretti and Alonso 1999 :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="Nap_Et2"> <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>Na channels</rdf:li> <rdf:li rdf:resource="http://senselab.med.yale.edu/neurondb/channelGene2.aspx#table2"/> </rdf:Bag> </bqbiol:isVersionOf> </rdf:Description> </rdf:RDF> </annotation> <gate id="m" type="gateHHratesTauInf" instances="3"> <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> <forwardRate type="HHExpLinearRate" rate="1.092per_ms" scale="6mV" midpoint="-38mV"/> <reverseRate type="HHExpLinearRate" rate="0.744per_ms" scale="-6mV" midpoint="-38mV"/> <timeCourse type="Nap_Et2_m_tau_tau"/> <steadyState type="HHSigmoidVariable" rate="1" scale="4.6mV" midpoint="-52.6mV"/> </gate> <gate id="h" type="gateHHratesInf" instances="1"> <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> <forwardRate type="HHExpLinearRate" rate="1.33344e-05per_ms" scale="-4.63mV" midpoint="-17mV"/> <reverseRate type="HHExpLinearRate" rate="1.82522e-05per_ms" scale="2.63mV" midpoint="-64.4mV"/> <steadyState type="HHSigmoidVariable" rate="1" scale="-10mV" midpoint="-48.8mV"/> </gate> </ionChannel> <ComponentType name="Nap_Et2_m_tau_tau" extends="baseVoltageDepTime"> <Constant name="TIME_SCALE" dimension="time" value="1 ms"/> <Constant name="VOLT_SCALE" dimension="voltage" value="1 mV"/> <Requirement name="alpha" dimension="per_time"/> <Requirement name="beta" dimension="per_time"/> <Dynamics> <DerivedVariable name="V" dimension="none" value="v / VOLT_SCALE"/> <DerivedVariable name="ALPHA" dimension="none" value="alpha * TIME_SCALE"/> <DerivedVariable name="BETA" dimension="none" value="beta * TIME_SCALE"/> <ConditionalDerivedVariable name="t" exposure="t" dimension="time"> <Case condition="(ALPHA + BETA) .eq. 0" value="( 0 ) * TIME_SCALE"/> <Case condition="(ALPHA + BETA) .gt. ( 0 )" value="( 6/( (ALPHA + BETA) ) ) * TIME_SCALE"/> <Case value="( 0) * TIME_SCALE"/> </ConditionalDerivedVariable> </Dynamics> </ComponentType> </neuroml>