1.1.1.76: (S,S)-butanediol dehydrogenase

This is an abbreviated version, for detailed information about (S,S)-butanediol dehydrogenase, go to the full flat file.

Reaction

(2S,3S)-butane-2,3-diol
+
NAD+
=
(S)-acetoin
+
NADH
+
H+

Synonyms

(2S, 3S)-BDH, (2S, 3S)-butanediol dehydrogenase, (S,S)-2,3-butanediol dehydrogenase, (S,S)-butanediol dehydrogenase, 2,3-BDH, 2,3-butanediol dehydrogenase, acetoin(diacetyl) reductase, AdR, ADS1, ARA1, BDH, budC, ButA, L(+)-2,3-butanediol dehydrogenase (L-acetoin forming), L-(2S,3S)-butanediol dehydrogenase, L-BDH, L-butanediol dehydrogenase, LBDH, meso-2,3-butanediol dehydrogenase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.76 (S,S)-butanediol dehydrogenase

Crystallization

Crystallization on EC 1.1.1.76 - (S,S)-butanediol dehydrogenase

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Crystallization/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
hanging drop vapor diffusion method with polyethylene glycol 4000 as precipitant; X-ray analysis
-
hanging drop vapor diffusion method, using 17% (w/v) PEG 4000, 15% (v/v) glycerol and 1% (v/v) beta-mercaptoethanol in 100 mM MES buffer pH 6.4
-
in complex with NAD+ and 2-mercaptoethanol, to 2.0 A resolution. The L-BDH subunit is composed of seven beta-strands, six alpha-helices and two short a helices, aFG1 and aFG2, which form a small lobe on top of the core domain. The conserved active site residues Asn112, Ser141, Tyr154 and Lys158 are located near the NAD+ molecule