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EC Number
General Information
the (2R,3R)-2,3-butanediol dehydrogenase belongs to the mostly zinc-containing medium-chain dehydrogenase/reductase superfamily and not to the short-chain dehydrogenase/reductase superfamily, to which meso- and (2S,3S)-2,3-butanediol dehydrogenases belong, phylogenetic analysis. The enzyme contains two hydrophobic residues forming the binding site for cofactor NAD(P), Phe138 and Leu141 (numbers refer to R,R-BDH of Saccharomyces cerevisiae)
the enzyme has homology to the medium-chain dehydrogenases/reductases with preference for secondary alcohols, phylogenetic analysis
the Serratia marcescens enzyme belongs to the type III Fe-ADH superfamily, three consecutive glycine residues belong to a 14-amino acid residue motif (GDK motif) as the coenzyme NAD(H) binding site, and three conserved histidine residues belong to a 16-residue segment that is homologous to the 15-residue stretch as the binding site of metal
physiological function
deletion of BDH1 results in an accumulation of acetoin and a diminution of 2,3-butanediol in two Saccharomyces cerevisiae strains under two different growth conditions
physiological function
glycerol/1,2-propanediol dehydrogenase GldA is the major enzyme responsible for the acetoin reducing activity observed in Escherichia coli
Results 1 - 5 of 5