<?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="K_Pst"> <notes>NeuroML file containing a single Channel description</notes> <ionChannel id="K_Pst" conductance="10pS" type="ionChannelHH" species="k"> <notes>Slow inactivating K+ current Comment from original mod file: :Comment : The persistent component of the K current :Reference : : Voltage-gated K+ channels in layer 5 neocortical pyramidal neurones from young rats:subtypes and gradients,Korngreen and Sakmann, J. Physiology, 2000 :Comment : shifted -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="K_Pst"> <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>K channels</rdf:li> <rdf:li rdf:resource="http://senselab.med.yale.edu/neurondb/channelGene2.aspx#table3"/> </rdf:Bag> </bqbiol:isVersionOf> </rdf:Description> </rdf:RDF> </annotation> <gate id="m" type="gateHHtauInf" instances="2"> <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> <timeCourse type="K_Pst_m_tau_tau"/> <steadyState type="HHSigmoidVariable" rate="1" scale="12mV" midpoint="-11mV"/> </gate> <gate id="h" type="gateHHtauInf" instances="1"> <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> <timeCourse type="K_Pst_h_tau_tau"/> <steadyState type="HHSigmoidVariable" rate="1" scale="-11mV" midpoint="-64mV"/> </gate> </ionChannel> <ComponentType name="K_Pst_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"/> <ConditionalDerivedVariable name="t" exposure="t" dimension="time"> <Case condition="V .lt. ( -60 )" value="( (1.25 + 175.03 * (exp ((V+10) * 0.026))) ) * TIME_SCALE"/> <Case value="( (1.25 + 13 * (exp ((V+10) * -0.026)))) * TIME_SCALE"/> </ConditionalDerivedVariable> </Dynamics> </ComponentType> <ComponentType name="K_Pst_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="(360 + (1010 + 24*(V+65)) * (exp (-1 *((V+85)/48)*((V+85)/48)))) * TIME_SCALE"/> </Dynamics> </ComponentType> </neuroml>