KEGG   ENZYME: 5.4.99.14
Entry
EC 5.4.99.14                Enzyme                                 
Name
4-carboxymethyl-4-methylbutenolide mutase;
4-methyl-2-enelactone isomerase;
4-methylmuconolactone methylisomerase;
4-methyl-3-enelactone methyl isomerase
Class
Isomerases;
Intramolecular transferases;
Transferring other groups
Sysname
4-carboxymethyl-4-methylbut-2-en-1,4-olide methylmutase
Reaction(IUBMB)
4-carboxymethyl-4-methylbut-2-en-1,4-olide = 4-carboxymethyl-3-methylbut-2-en-1,4-olide [RN:R04510]
Reaction(KEGG)
R04510
Substrate
4-carboxymethyl-4-methylbut-2-en-1,4-olide [CPD:C04559]
Product
4-carboxymethyl-3-methylbut-2-en-1,4-olide [CPD:C04558]
History
EC 5.4.99.14 created 1992
Pathway
ec00623  Toluene degradation
ec01120  Microbial metabolism in diverse environments
Reference
1
  Authors
Bruce, N.C. and Cain, R.B.
  Title
beta-Methylmuconolactone, a key intermediate in the dissimilation of methylaromatic compounds by a modified 3-oxoadipate pathway evolved in nocardioform actinomycetes.
  Journal
FEMS Microbiol Lett 50:233-239 (1988)
Other DBs
ExplorEnz - The Enzyme Database: 5.4.99.14
IUBMB Enzyme Nomenclature: 5.4.99.14
ExPASy - ENZYME nomenclature database: 5.4.99.14
UM-BBD (Biocatalysis/Biodegradation Database): 5.4.99.14
BRENDA, the Enzyme Database: 5.4.99.14
CAS: 115300-03-3

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