6TL4:
reference: Structural insights into photoactivation and signalling in plant phytochromes., Nagano S, Guan K, Shenkutie SM, Feiler C, Weiss M, Kraskov A, Buhrke D, Hildebrandt P, Hughes J, Nat Plants. 2020 May 4. pii: 10.1038/s41477-020-0638-y. doi:, 10.1038/s41477-020-0638-y. PMID: 32366982

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