title: The two faces of the purple membrane. Structural differences revealed by metal decoration.
mesh_terms: D001436:Bacteriorhodopsins; D002338:Carotenoids; D003461:Crystallography; D006217:Halobacterium / Q000648:ultrastructure; D008854:Microscopy, Electron; D012834:Silver; D013499:Surface Properties
chemical_list: D002338:Carotenoids; D012834:Silver; D001436:Bacteriorhodopsins