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, 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.