title: Gently does it.
authors.forename: Robert F
authors.initials: RF
authors.lastname: Service
mesh_terms: D001436:Bacteriorhodopsins / Q000737:chemistry; D003460:Crystallization / Q000266:history / Q000379:methods* / Q000639:trends; D018360:Crystallography, X-Ray / Q000266:history / Q000379:methods* / Q000639:trends; D049673:History, 20th Century; D049674:History, 21st Century; D008055:Lipids / Q000737:chemistry; D008565:Membrane Proteins / Q000737:chemistry*
chemical_list: D008055:Lipids; D008565:Membrane Proteins; D001436:Bacteriorhodopsins