[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." [GO:0005267, PRO:XQ] comment: Category=family. synonym: "fam:K_chan" EXACT PRO-short-label [PRO:DAN] xref: IUPHARfam:133 intersection_of: capable_of GO:0005267 ! potassium channel activity intersection_of: PR:000044628 ! voltage-gated ion channel protein