<?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_Tst"> <notes>NeuroML file containing a single Channel description</notes> <ionChannel id="K_Tst" conductance="10pS" type="ionChannelHH" species="k"> <notes>Fast inactivating K+ current Comment from original mod file: :Comment : The transient 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_Tst"> <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="4"> <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> <timeCourse type="K_Tst_m_tau_tau"/> <steadyState type="HHSigmoidVariable" rate="1" scale="19mV" midpoint="-10mV"/> </gate> <gate id="h" type="gateHHtauInf" instances="1"> <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> <timeCourse type="K_Tst_h_tau_tau"/> <steadyState type="HHSigmoidVariable" rate="1" scale="-10mV" midpoint="-76mV"/> </gate> </ionChannel> <ComponentType name="K_Tst_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="(0.34 + 0.92 * (exp (-1 *((V+81)/59)^2))) * TIME_SCALE"/> </Dynamics> </ComponentType> <ComponentType name="K_Tst_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="(8 + 49 * (exp (-1 * ((V+83)/23)^2))) * TIME_SCALE"/> </Dynamics> </ComponentType> </neuroml>