1D4C:
reference: Structure and mechanism of the flavocytochrome c fumarate reductase of Shewanella putrefaciens MR-1., Leys D, Tsapin AS, Nealson KH, Meyer TE, Cusanovich MA, Van Beeumen JJ, Nat Struct Biol 1999 Dec;6(12):1113-7. PMID: 10581551

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