2IY2:
reference: Structures of the dimerization domains of the Escherichia coli disulfide-bond isomerase enzymes DsbC and DsbG., Yeh SM, Koon N, Squire C, Metcalf P, Acta Crystallogr D Biol Crystallogr. 2007 Apr;63(Pt 4):465-71. Epub 2007, Mar 16. PMID: 17372350

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