KEGG ENZYME: 5.4.99.14

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

Authors

Bruce NC, Cain RB.

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

LinkDB

DBGET integrated database retrieval system