[Term] id: PR:000001612 name: mu-type opioid receptor def: "An opioid receptor protein that is a translation product of the human OPRM1 gene or a 1:1 ortholog thereof. The preferred ligands are beta-endorphin and enkephalins." [PRO:WCB, Wikipedia:mu_Opioid_receptor] comment: Category=gene. synonym: "OPRM1" EXACT PRO-short-label [PRO:DNx] synonym: "M-OR-1" EXACT [] synonym: "MOP" EXACT [] synonym: "MOR-1" EXACT [] synonym: "mu opiate receptor" EXACT [] synonym: "mu opioid receptor" EXACT [] synonym: "mu-opioid receptor" EXACT [] synonym: "Mor" RELATED Gene-based [] synonym: "MOR1" RELATED Gene-based [] synonym: "Oprm" RELATED Gene-based [] xref: IUPHARobj:319 property_value: has_archetype PR:P35372 is_a: PR:000001497 ! opioid receptor protein