title: A model for the function of bacteriorhodopsin.
mesh_terms: D001436:Bacteriorhodopsins / Q000502:physiology*; D001693:Biological Transport, Active; D002338:Carotenoids / Q000502:physiology*; D006863:Hydrogen-Ion Concentration; D008564:Membrane Potentials; D008954:Models, Biological; D011487:Protein Conformation; D011522:Protons; D012160:Retina / Q000502:physiology
chemical_list: D011522:Protons; D002338:Carotenoids; D001436:Bacteriorhodopsins