title: Alkaline quenching of bacteriorhodopsin tryptophanyl fluorescence: evidence for aqueous accessibility or a hydrogen-bonded chain.
mesh_terms: D001436:Bacteriorhodopsins / Q000378:metabolism*; D002338:Carotenoids / Q000378:metabolism*; D006217:Halobacterium / Q000378:metabolism; D006860:Hydrogen Bonding; D006863:Hydrogen-Ion Concentration; D013050:Spectrometry, Fluorescence; D014364:Tryptophan
chemical_list: D002338:Carotenoids; D001436:Bacteriorhodopsins; D014364:Tryptophan