3VDR:
reference: Structure of D-3-hydroxybutyrate dehydrogenase prepared in the presence of the substrate D-3-hydroxybutyrate and NAD+., Hoque MM, Shimizu S, Juan EC, Sato Y, Hossain MT, Yamamoto T, Imamura S, Suzuki K, Amano H, Sekiguchi T, Tsunoda M, Takenaka A, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2009 Apr 1;65(Pt, 4):331-5. Epub 2009 Mar 26. PMID: 19342772

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