EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
1.1.1.4 | acetoin + 2 NADPH + 2 H+ |
- |
Clostridium autoethanogenum |
(2R,3R)-2,3-butanediol + meso-2,3-butanediol + 2 NADP+ |
- |
r |
1.1.1.4 | (3R,3S)-acetoin + NADH |
- |
Saccharomyces cerevisiae |
(2R,3R)-2,3-butanediol + meso-2,3-butanediol + NAD+ |
- |
r |
1.1.1.4 | (3R,3S)-acetoin + NADH |
the enzyme shows lower Km value and higher catalytic efficiency for (3S/3R)-acetoin in comparison to those for (2R,3R)-2,3-butanediol and meso-2,3-butanediol, the reduction reaction is preferred, low activity with (2R,3R)-2,3-butanediol |
Serratia marcescens |
(2R,3R)-2,3-butanediol + meso-2,3-butanediol + NAD+ |
- |
r |
1.1.1.4 | (3R,3S)-acetoin + NADH |
the enzyme shows lower Km value and higher catalytic efficiency for (3S/3R)-acetoin in comparison to those for (2R,3R)-2,3-butanediol and meso-2,3-butanediol, the reduction reaction is preferred, low activity with (2R,3R)-2,3-butanediol |
Serratia marcescens H30 |
(2R,3R)-2,3-butanediol + meso-2,3-butanediol + NAD+ |
- |
r |
1.1.1.4 | (R)-acetoin + NADPH + H+ |
- |
Clostridium autoethanogenum |
(2R,3R)-2,3-butanediol + NAD+ |
- |
? |
1.1.1.4 | diacetyl + 2 NADH + 2 H+ |
- |
Pseudomonas aeruginosa |
(2R,3R)-butane-2,3-diol + 2 NAD+ |
- |
r |
1.1.1.4 | (3R)-acetoin + NADH + H+ |
- |
Saccharomyces cerevisiae |
(2R,3R)-butane-2,3-diol + NAD+ |
- |
? |
1.1.1.4 | (R)-acetoin + NADH + H+ |
- |
Bacillus licheniformis |
(2R,3R)-butane-2,3-diol + NAD+ |
- |
r |
1.1.1.4 | (R)-acetoin + NADH + H+ |
- |
Saccharomyces cerevisiae |
(2R,3R)-butane-2,3-diol + NAD+ |
- |
? |
1.1.1.4 | (R)-acetoin + NADH + H+ |
the activity of (R)-acetoin reduction is 7.7times higher than that of (2R,3R)-butane-2,3-diol oxidation at pH 7.0 |
Rhodococcus erythropolis |
(2R,3R)-butane-2,3-diol + NAD+ |
- |
r |