[Term]
id: PR:000044672
name: aquaporin protein
def: "A channel protein that has water channel activity. A water channel enables facilitated diffusion of water (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism." [GO:0015250, PRO:XQ]
comment: Category=family. Note: Aquaporin channels operate as tetramers. [PRO:DAN, IUPHARfam:119]
synonym: "water channel" EXACT [PRO:XQ]
xref: IUPHARfam:119
intersection_of: capable_of GO:0015250 ! water channel activity
intersection_of: PR:000044676 ! channel protein