title: A cold break for photoreceptors.
authors.forename: L O
authors.initials: LO
authors.lastname: Essen
authors.forename: D
authors.initials: D
authors.lastname: Oesterhelt
mesh_terms: D001426:Bacterial Proteins / Q000737:chemistry / Q000502:physiology* / Q000528:radiation effects; D002841:Chromatiaceae / Q000502:physiology; D003460:Crystallization; D008027:Light; D055537:Light Signal Transduction; D010786:Photoreceptor Cells / Q000502:physiology* / Q000528:radiation effects; D020283:Photoreceptors, Microbial; D012243:Rhodopsin / Q000737:chemistry / Q000502:physiology
chemical_list: D001426:Bacterial Proteins; D020283:Photoreceptors, Microbial; C050162:photoactive yellow protein, Bacteria; D012243:Rhodopsin