Protein
Potassium voltage-gated channel subfamily A member 7
Function
Mediates the voltage-dependent potassium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a potassium-selective channel through which potassium ions may pass in accordance with their electrochemical gradient. Channels formed by isoform 1 inactivate faster than channels formed by isoform 2.
Similarity
Belongs to the potassium channel family. A (Shaker) (TC 1.A.1.2) subfamily. Kv1.7/KCNA7 sub-subfamily.
Sequence
MLFLPADTGHPTGVAAASGPHVRSPVARAVRAMEPRCPPPCGCCERLVLNVAGLRFETRARTLGRFPDTLLGDPVRRSRFYDGARREYFFDRHRPSFDAVLYYYQSGGRLRRPAHVPLDVFLEEVSFYGLGAAALARLREDEGCAVPPERPLPRRAFARQLWLLFEFPESSQAARVLAVVSVLVILVSIVVFCLETLPDFRDDRDDPGLAPVAAATGPFLARLNGSSPMPGAPPRQPFNDPFFVVETLCICWFSFELLVRLVACPSKAVFFKNVMNLIDFVAILPYFVALGTELARQRGVGQPAMSLAILRVIRLVRVFRIFKLSRHSKGLQILGQTLRASMRELGLLIFFLFIGVVLFSSAVYFAEVDRVDTHFTSIPESFWWAVVTMTTVGYGDMAPVTVGGKIVGSLCAIAGVLTISLPVPVIVSNFSYFYHRETEGEEAGMYSHVDTQPCGTLEGKANGGLVDSEVPELLPPLWPPAGKHMVTEV