title: Binding of all-trans-retinal to the purple membrane. Evidence for cooperativity and determination of the extinction coefficient.
mesh_terms: D001436:Bacteriorhodopsins; D002338:Carotenoids; D002942:Circular Dichroism; D006217:Halobacterium / Q000032:analysis; D007700:Kinetics; D011485:Protein Binding; D011487:Protein Conformation; D012172:Retinaldehyde; D014801:Vitamin A / Q000031:analogs & derivatives
chemical_list: D014801:Vitamin A; D002338:Carotenoids; D001436:Bacteriorhodopsins; D012172:Retinaldehyde