title: The opsin family of proteins.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001665:Binding Sites; D005136:Eye Proteins / Q000502:physiology; D008958:Models, Molecular; D012243:Rhodopsin / Q000502:physiology; D017299:Rod Opsins
chemical_list: D005136:Eye Proteins; D017299:Rod Opsins; D012243:Rhodopsin