[Term]
id: PR:000001119
name: animal opsin
def: "A rhodopsin-like G-protein coupled receptor that is a translation product of the human OPN1LW, OPN1MW, OPN1SW, RHO, OPN3, OPN4, or OPN5 genes, 1:1 orthologs thereof, or a semi-ortholog thereof in Metazoa. The active form binds a vitamin A-based retinaldehyde chromophore through a Schiff base linkage to a Lys residue in the seventh transmembrane alpha helix." [PRO:WCB, PRO:XQ, Wikipedia:Opsin]
comment: Category=family.
synonym: "opsin receptor" EXACT [IUPHARfam:975]
synonym: "type II opsin" EXACT [Wikipedia:Opsin]
xref: IUPHARfam:975
xref: PIRSF:PIRSF038544
is_a: PR:000001094 ! rhodopsin-like G-protein coupled receptor
relationship: only_in_taxon NCBITaxon:33208 ! Metazoa