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Keyword - Ion channel (KW-0407)

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Definition

Protein which is part of a transmembrane protein complex that forms a hydrophilic channel across the lipid bilayer through which specific inorganic ions can diffuse down their electrochemical gradients. The channels are usually gated and only open in response to a specific stimulus, such as a change in membrane potential (voltage-gated) or the binding of a ligand (ligand-gated channel).

Category

Molecular function

GOi

ion channel activity [ GO:0005216 ]

Graphical

Ion transportIon channelMolecular functionTransportBiological process
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