1C6R:
reference: Amino acid sequence, crystallization and structure determination of reduced and oxidized cytochrome c6 from the green alga Scenedesmus obliquus., Schnackenberg J, Than ME, Mann K, Wiegand G, Huber R, Reuter W, J Mol Biol 1999 Jul 30;290(5):1019-30. PMID: 10438600

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