title: The consequences of a deuterium exchange test on proposed mechanisms for the purple membrane proton pump.
mesh_terms: D001436:Bacteriorhodopsins / Q000378:metabolism; D002338:Carotenoids / Q000378:metabolism; D003903:Deuterium; D006217:Halobacterium / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007553:Isotope Labeling / Q000379:methods; D008027:Light; D012172:Retinaldehyde / Q000378:metabolism
chemical_list: D002338:Carotenoids; D001436:Bacteriorhodopsins; D003903:Deuterium; D012172:Retinaldehyde