[Term] id: PR:000044671 name: ligand-gated ion channel protein def: "An ion channel protein that has ligand-gated ion channel activity. The ligand-gated ion channel opens when a specific ligand has been bound by the channel complex or one of its constituent parts." [PRO:XQ, GO:0015276] comment: Category=family. synonym: "ionotropic receptor" NARROW [PRO:XQ] xref: IUPHARfam:697 intersection_of: PR:000049983 ! ion channel protein intersection_of: capable_of GO:0015276 ! ligand-gated monoatomic ion channel activity