title: Studies of rhodopsin and bacteriorhodopsin using modified retinals.
mesh_terms: D000818:Animals; D001436:Bacteriorhodopsins / Q000378:metabolism*; D001665:Binding Sites; D006217:Halobacterium / Q000378:metabolism; D011485:Protein Binding; D012168:Retinal Pigments / Q000378:metabolism*; D012172:Retinaldehyde / Q000031:analogs & derivatives / Q000378:metabolism*; D012176:Retinoids / Q000378:metabolism*; D012243:Rhodopsin / Q000378:metabolism*
chemical_list: D012168:Retinal Pigments; D012176:Retinoids; D001436:Bacteriorhodopsins; D012243:Rhodopsin; D012172:Retinaldehyde