[Term]
id: PR:000044655
name: potassium channel protein
def: "A voltage-gated ion channel protein that has potassium channel activity. A potassium channel enables the facilitated diffusion of a potassium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism." [PRO:XQ, GO:0005267]
comment: Category=family.
synonym: "fam:K_chan" EXACT PRO-short-label [PRO:DAN]
xref: IUPHARfam:133
intersection_of: PR:000044628 ! voltage-gated ion channel protein
intersection_of: capable_of GO:0005267 ! potassium channel activity