Automated description from the Alliance of Genome Resources (Release 8.3.0)
Enables voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization. Acts upstream of or within cardiac conduction; cardiac muscle cell action potential involved in contraction; and potassium ion export across plasma membrane. Located in membrane. Part of voltage-gated potassium channel complex. Is active in GABA-ergic synapse and postsynaptic specialization membrane. Is expressed in heart; heart ventricle; and ventricle cardiac muscle. Human ortholog(s) of this gene implicated in Brugada syndrome 9 and spinocerebellar ataxia 19/22. Orthologous to human KCND3 (potassium voltage-gated channel subfamily D member 3).
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