1RDG:
reference: Rubredoxin from Desulfovibrio gigas. A molecular model of the oxidized form at 1.4 A resolution., Frey M, Sieker L, Payan F, Haser R, Bruschi M, Pepe G, LeGall J, J Mol Biol 1987 Oct 5;197(3):525-41. PMID: 3441010

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