1N5D:
reference: Porcine carbonyl reductase. structural basis for a functional monomer in short chain dehydrogenases/reductases., Ghosh D, Sawicki M, Pletnev V, Erman M, Ohno S, Nakajin S, Duax WL, J Biol Chem. 2001 May 25;276(21):18457-63. Epub 2001 Mar 8. PMID: 11279087

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