4FXC:
reference: Tertiary structure of [2Fe-2S] ferredoxin from Spirulina platensis refined at 2.5 A resolution: structural comparisons of plant-type ferredoxins and an electrostatic potential analysis., Fukuyama K, Ueki N, Nakamura H, Tsukihara T, Matsubara H, J Biochem (Tokyo) 1995 May;117(5):1017-23. PMID: 8586613

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