5N3U:
reference: Structures and enzymatic mechanisms of phycobiliprotein lyases CpcE/F and PecE/F., Zhao C, Hoppner A, Xu QZ, Gartner W, Scheer H, Zhou M, Zhao KH, Proc Natl Acad Sci U S A. 2017 Nov 27. pii: 1715495114. doi:, 10.1073/pnas.1715495114. PMID: 29180420

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