6BAF:
reference: Structural basis for light control of cell development revealed by crystal structures of a myxobacterial phytochrome., Woitowich NC, Halavaty AS, Waltz P, Kupitz C, Valera J, Tracy G, Gallagher KD, Claesson E, Nakane T, Pandey S, Nelson G, Tanaka R, Nango E, Mizohata E, Owada S, Tono K, Joti Y, Nugent AC, Patel H, Mapara A, Hopkins J, Duong P, Bizhga D, Kovaleva SE, St Peter R, Hernandez CN, Ozarowski WB, Roy-Chowdhuri S, Yang JH, Edlund P, Takala H, Ihalainen J, Brayshaw J, Norwood T, Poudyal I, Fromme P, Spence JCH, Moffat K, Westenhoff S, Schmidt M, Stojkovic EA, IUCrJ. 2018 Aug 29;5(Pt 5):619-634. doi: 10.1107/S2052252518010631. eCollection, 2018 Sep 1. PMID: 30224965

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