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2-Acetolactate Mutase MeSH Descriptor Data 2025


MeSH Heading
2-Acetolactate Mutase
Tree Number(s)
D08.811.399.520.100
Unique ID
D015072
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D015072
Scope Note
An enzyme involved in the biosynthesis of isoleucine and valine. It converts 2-acetolactate into 3-hydroxy-2-oxo-isovalerate. Also acts on 2-hydroxy-2-acetobutyrate to form 2-hydroxy-2-oxo-3-methylvalerate. EC 5.4.99.3.
Entry Term(s)
2-Acetohydroxy-3-Ketoacid Isomeroreductase
Acetohydroxy Acid Reductoisomerase
Registry Numbers
EC 5.4.99.3
CAS Type 1 Name
2-Acetolactate methylmutase
Previous Indexing
Hydroxybutyrates (1973-1974)
Isomerases (1973-1974)
Lactates (1973-1974)
Public MeSH Note
91; was see under ISOMERASES 1975-90
History Note
91(75); was see under ISOMERASES 1975-90
Date Established
1991/01/01
Date of Entry
1974/11/19
Revision Date
2003/07/09
2-Acetolactate Mutase Preferred
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