title: Constraints on the flexibility of bacteriorhodopsin's carboxyl-terminal tail at the purple membrane surface.
mesh_terms: D000595:Amino Acid Sequence; D001436:Bacteriorhodopsins; D002338:Carotenoids; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D005454:Fluorescence Polarization; D010206:Papain / Q000378:metabolism; D011487:Protein Conformation; D013050:Spectrometry, Fluorescence; D013997:Time Factors
chemical_list: D002338:Carotenoids; D001436:Bacteriorhodopsins; D010206:Papain