2KAJ:
reference: Structural and functional characterization of the ga-substituted ferredoxin from Synechocystis sp. PCC6803, a mimic of the native protein., Xu X, Scanu S, Chung JS, Hirasawa M, Knaff DB, Ubbink M, Biochemistry. 2010 Sep 14;49(36):7790-7. PMID: 20690702

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