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kcna1

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Official Full Name
potassium voltage-gated channel, shaker-related subfamily, member 1 (episodic ataxia with myokymia)
Background
This gene encodes a voltage-gated delayed potassium channel that is phylogenetically related to the Drosophila Shaker channel. The encoded protein has six putative transmembrane segments (S1-S6), and the loop between S5 and S6 forms the pore and contains the conserved selectivity filter motif (GYGD). The functional channel is a homotetramer. The N-terminus of the channel is associated with beta subunits that can modify the inactivation properties of the channel as well as affect expression levels. The C-terminus of the channel is complexed to a PDZ domain protein that is responsible for channel targeting. Mutations in this gene have been associated with myokymia with periodic ataxia (AEMK). [provided by RefSeq, Jul 2008]
Synonyms
KCNA1; potassium voltage-gated channel, shaker-related subfamily, member 1 (episodic ataxia with myokymia); EA1; MK1; AEMK; HBK1; HUK1; MBK1; RBK1; KV1.1; potassium voltage-gated channel subfamily A member 1; voltage-gated K(+) channel HuKI; voltage-gated potassium channel HBK1; voltage-gated potassium channel subunit Kv1.1