title: Visual pigments and bacteriorhodopsins formed from aromatic retinal analogs.
mesh_terms: D000818:Animals; D001436:Bacteriorhodopsins / Q000031:analogs & derivatives; D002417:Cattle; D012172:Retinaldehyde / Q000031:analogs & derivatives / Q000378:metabolism*; D012176:Retinoids / Q000378:metabolism*; D012243:Rhodopsin / Q000031:analogs & derivatives; D013329:Structure-Activity Relationship
chemical_list: D012176:Retinoids; D001436:Bacteriorhodopsins; D012243:Rhodopsin; D012172:Retinaldehyde