1C2R:
reference: Molecular structure of cytochrome c2 isolated from Rhodobacter capsulatus determined at 2.5 A resolution., Benning MM, Wesenberg G, Caffrey MS, Bartsch RG, Meyer TE, Cusanovich MA, Rayment I, Holden HM, J Mol Biol 1991 Aug 5;220(3):673-85. PMID: 1651396

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