1YFM:
reference: Crystal structures of native and recombinant yeast fumarase., Weaver T, Lees M, Zaitsev V, Zaitseva I, Duke E, Lindley P, McSweeny S, Svensson A, Keruchenko J, Keruchenko I, Gladilin K, Banaszak L, J Mol Biol 1998 Jul 17;280(3):431-42. PMID: 9665847

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