IUBMB Enzyme Nomenclature


Accepted name: 4-carboxymethyl-4-methylbutenolide mutase

Reaction: 4-carboxymethyl-4-methylbut-2-en-1,4-olide = 4-carboxymethyl-3-methylbut-2-en-1,4-olide

Other name(s): 4-methyl-2-enelactone isomerase; 4-methylmuconolactone methylisomerase; 4-methyl-3-enelactone methyl isomerase

Systematic name: 4-carboxymethyl-4-methylbut-2-en-1,4-olide methylmutase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 115300-03-3


1. Bruce, N.C. and Cain, R.B. β-Methylmuconolactone, a key intermediate in the dissimilation of methylaromatic compounds by a modified 3-oxoadipate pathway evolved in nocardioform actinomycetes. FEMS Microbiol. Lett. 50 (1988) 233-239.

[EC created 1992]

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