Sodium channel

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Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na+) through a cell’s membrane.[1][2] They belong to the superfamily of cation channels and can be classified according to the trigger that opens the channel for such ions, i.e. either a voltage-change (“voltage-gated”, “voltage-sensitive”, or “voltage-dependent” sodium channel; also called “VGSCs” or “Nav channel”) or a binding of a substance (a ligand) to the channel (ligand-gated sodium channels).

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