title: Areas of hydration in the purple membrane of Halobacterium halobium: a neutron diffraction study.
mesh_terms: D001436:Bacteriorhodopsins; D002338:Carotenoids; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003461:Crystallography; D005583:Fourier Analysis; D006217:Halobacterium / Q000032:analysis*; D006860:Hydrogen Bonding
chemical_list: D002338:Carotenoids; D001436:Bacteriorhodopsins