6OZB:
reference: The interplay between chromophore and protein determines the extended excited state dynamics in a single-domain phytochrome., Slavov C, Fischer T, Barnoy A, Shin H, Rao AG, Wiebeler C, Zeng X, Sun Y, Xu Q, Gutt A, Zhao KH, Gartner W, Yang X, Schapiro I, Wachtveitl J, Proc Natl Acad Sci U S A. 2020 Jun 26. pii: 1921706117. doi:, 10.1073/pnas.1921706117. PMID: 32591422

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