EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
1.1.1.4 | diacetyl + NADH |
- |
Lactococcus lactis |
2,3-butanediol + NAD+ |
enzyme 1, only meso-2,3-butanediol is formed, enzyme 2 gives mixture of meso- and optical isomers |
r |
1.1.1.4 | diacetyl + NADH + H+ |
- |
Paenibacillus polymyxa |
acetoin + NAD+ |
- |
r |
1.1.1.4 | diacetyl + NADH + H+ |
low activity |
Bacillus licheniformis |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
91% activity compared to (3R,3S)-acetoin in the reduction reaction, cf. EC 1.1.1.303 |
Paenibacillus polymyxa |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
88.2% activity compared to acetoin |
Bacillus sp. (in: Bacteria) |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
diacetyl can be converted into 2,3-butanediol via acetoin by the enzyme |
Serratia marcescens |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
88.2% activity compared to acetoin |
Bacillus sp. (in: Bacteria) BRC1 |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
low activity |
Bacillus licheniformis MW3 |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
diacetyl can be converted into 2,3-butanediol via acetoin by the enzyme |
Serratia marcescens H30 |
acetoin + NAD+ |
- |
? |
1.1.1.4 | diacetyl + NADH + H+ |
91% activity compared to (3R,3S)-acetoin in the reduction reaction, cf. EC 1.1.1.303 |
Paenibacillus polymyxa ATCC 12321 |
acetoin + NAD+ |
- |
? |