5IY2:
reference: The role of conserved surface hydrophobic residues in the carbapenemase activity of the class D beta-lactamases., Toth M, Smith CA, Antunes NT, Stewart NK, Maltz L, Vakulenko SB, Acta Crystallogr D Struct Biol. 2017 Aug 1;73(Pt 8):692-701. doi:, 10.1107/S2059798317008671. Epub 2017 Jul 28. PMID: 28777084

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