The Enzyme Database

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EC 4.1.1.5     
Accepted name: acetolactate decarboxylase
Reaction: (2S)-2-hydroxy-2-methyl-3-oxobutanoate = (3R)-3-hydroxybutan-2-one + CO2
For diagram of reaction, click here
Other name(s): α-acetolactate decarboxylase; (S)-2-hydroxy-2-methyl-3-oxobutanoate carboxy-lyase; (S)-2-hydroxy-2-methyl-3-oxobutanoate carboxy-lyase [(R)-2-acetoin-forming]; (S)-2-hydroxy-2-methyl-3-oxobutanoate carboxy-lyase [(3R)-3-hydroxybutan-2-one-forming]
Systematic name: (2S)-2-hydroxy-2-methyl-3-oxobutanoate carboxy-lyase [(3R)-3-hydroxybutan-2-one-forming]
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9025-02-9
References:
1.  Hill, R.K., Sawada, S. and Arfin, S.M. Stereochemistry of valine and isoleucine biosynthesis. IV. Synthesis, configuration, and enzymatic specificity of α-acetolactate and α-aceto-α-hydroxybutyrate. Bioorg. Chem. 8 (1979) 175–189.
2.  Størmer, F.C. Isolation of crystalline pH 6 acetolactate-forming enzyme from Aerobacter aerogenes. J. Biol. Chem. 242 (1967) 1756–1759. [PMID: 6024768]
[EC 4.1.1.5 created 1961]
 
 


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