Potassium voltage-gated channel subfamily A member 3

UniProtKB accession:  P22001

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UniProtKB description:  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.