5YQ7:
reference: Cryo-EM structure of the RC-LH core complex from an early branching photosynthetic prokaryote., Xin Y, Shi Y, Niu T, Wang Q, Niu W, Huang X, Ding W, Yang L, Blankenship RE, Xu X, Sun F, Nat Commun. 2018 Apr 19;9(1):1568. doi: 10.1038/s41467-018-03881-x. PMID: 29674684

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