Cell membrane glycoproteins that are selectively permeable to potassium ions. At least eight major groups of K channels exist and they are made up of dozens of different subunits.

Synonyms: Potassium Channels, Channels, Potassium Ion, 0, Potassium Ion Channels, Potassium Ion Channel, Ion Channels, Potassium, Channels, Potassium, Channel, Potassium Ion, Potassium Channel, Ion Channel, Potassium, Channel, Potassium