4OCE:
reference: Crystal Structure of the Dithiol Oxidase DsbA Enzyme from Proteus Mirabilis Bound Non-covalently to an Active Site Peptide Ligand., Kurth F, Duprez W, Premkumar L, Schembri MA, Fairlie DP, Martin JL, J Biol Chem. 2014 May 15. pii: jbc.M114.552380. PMID: 24831013

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