[Term] id: PR:000049994 name: histamine receptor def: "A rhodopsin-like G-protein coupled receptor that is a translation product of the human HRH1 to HRH4 genes, 1:1 orthologs thereof, or a semi-ortholog thereof." [PRO:XQ] comment: Category=family. xref: IUPHARfam:33 is_a: PR:000001094 ! rhodopsin-like G-protein coupled receptor