title: Photochemistry and dark equilibrium of retinal isomers and bacteriorhodopsin isomers.
mesh_terms: D001436:Bacteriorhodopsins; D002338:Carotenoids; D003624:Darkness; D008968:Molecular Conformation; D010777:Photochemistry; D011485:Protein Binding; D012172:Retinaldehyde; D013696:Temperature; D013816:Thermodynamics; D014801:Vitamin A / Q000031:analogs & derivatives
chemical_list: D014801:Vitamin A; D002338:Carotenoids; D001436:Bacteriorhodopsins; D012172:Retinaldehyde