title: The low pH species of bacteriorhodopsin. Structure and proton pump activity.
mesh_terms: D001436:Bacteriorhodopsins / Q000378:metabolism; D002338:Carotenoids / Q000378:metabolism; D002942:Circular Dichroism; D006217:Halobacterium / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008027:Light; D011487:Protein Conformation; D013053:Spectrophotometry
chemical_list: D002338:Carotenoids; D001436:Bacteriorhodopsins