|Superclasses:||Reactions Classified By Conversion Type → Simple Reactions → Chemical Reactions|
|Reactions Classified By Substrate → Small-Molecule Reactions|
EC Number: 126.96.36.199
Enzymes and Genes:
(R-acetoin forming)-(R,R)-2,3-butanediol dehydrogenase ( Paenibacillus polymyxa )
2,3-butanediol dehydrogenase : BDH1 ( Saccharomyces cerevisiae )
The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the Enzyme Commission system.
Most BioCyc compounds have been protonated to a reference pH value of 7.3, and some reactions have been computationally balanced for hydrogen by adding free protons. Please see the PGDB Concepts Guide for more information.
Mass balance status: Balanced.
Enzyme Commission Primary Name: (R,R)-butanediol dehydrogenase
Enzyme Commission Synonyms: butyleneglycol dehydrogenase, D-butanediol dehydrogenase, D-(-)-butanediol dehydrogenase, butylene glycol dehydrogenase, diacetyl (acetoin) reductase, D-aminopropanol dehydrogenase, 1-amino-2-propanol dehydrogenase, 2,3-butanediol dehydrogenase, D-1-amino-2-propanol dehydrogenase, (R)-diacetyl reductase, (R)-2,3-butanediol dehydrogenase, D-1-amino-2-propanol:NAD+ oxidoreductase, 1-amino-2-propanol oxidoreductase, aminopropanol oxidoreductase
Standard Gibbs Free Energy (ΔrG'° in kcal/mol): 1.0817871 [Latendresse13]
Enzyme Commission Summary:
Also converts diacetyl into acetoin with NADH as reductant.
Instance reaction of [acetoin + NAD+ ← diacetyl + NADH + H+] (1.1.1.-):
i1: (R)-acetoin + NAD+ ← diacetyl + NADH + H+ (188.8.131.523)
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