<?xml version="1.0" encoding="UTF-8"?>

<channelml xmlns="http://morphml.org/channelml/schema"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:meta="http://morphml.org/metadata/schema"
    xsi:schemaLocation="http://morphml.org/channelml/schema  http://www.neuroml.org/NeuroMLValidator/NeuroMLFiles/Schemata/v1.8.1/Level2/ChannelML_v1.8.1.xsd"
    units="Physiological Units">

    <meta:notes>Example of 5 state kinetic scheme K conductance specified in ChannelML.</meta:notes>

    <channel_type name="KChannelKS">

        <meta:notes>K conductance with 5 kinetic states. NOTE: currently a mapping is only provided
                    to the NEURON Channel Builder format and PSICS</meta:notes>

        <current_voltage_relation cond_law="ohmic" ion="k" default_gmax="36" default_erev="-77.0">
            <gate name="n" instances="1">
                
                <closed_state id="n0" />
                <closed_state id="n1" />
                <closed_state id="n2" />
                <closed_state id="n3" />
                <open_state id="n" fraction="1"/>
                    
                <transition name="alpha_n0_n1" from="n0" to="n1" expr_form="exp_linear"  
                            rate="0.4"   scale="10"  midpoint="-55" />
                <transition name="beta_n0_n1"  from="n1" to="n0" expr_form="exponential"
                            rate="0.125" scale="-80" midpoint="-65" />
                <transition name="alpha_n1_n2" from="n1" to="n2" expr_form="exp_linear"  
                            rate="0.3"   scale="10"  midpoint="-55" />
                <transition name="beta_n1_n2"  from="n2" to="n1" expr_form="exponential"
                            rate="0.25"  scale="-80" midpoint="-65" />
                <transition name="alpha_n2_n3" from="n2" to="n3" expr_form="exp_linear"  
                            rate="0.2"   scale="10"  midpoint="-55" />
                <transition name="beta_n2_n3"  from="n3" to="n2" expr_form="exponential"
                            rate="0.375" scale="-80" midpoint="-65" />
                <transition name="alpha_n3_n"  from="n3" to="n"  expr_form="exp_linear"  
                            rate="0.1"   scale="10"  midpoint="-55" />
                <transition name="beta_n3_n"   from="n" to="n3"  expr_form="exponential"
                            rate="0.5"   scale="-80" midpoint="-65" />
                    
            </gate>
        </current_voltage_relation>
        
    </channel_type>
        
    
</channelml>