2HP0:
reference: Three-dimensional Structure of Iminodisuccinate Epimerase Defines the Fold of the MmgE/PrpD Protein Family., Lohkamp B, Bauerle B, Rieger PG, Schneider G, J Mol Biol. 2006 Sep 22;362(3):555-66. Epub 2006 Jul 29. PMID: 16934291

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