Reaction: 4-sulfomuconolactone + H2O = maleylacetate + sulfite
Glossary: 4-sulfomuconolactone = 4-carboxymethylen-4-sulfobut-2-en-olide = 2-(5-oxo-2-sulfo-2,5-dihydrofuran-2-yl)acetic acid
maleylacetate = (2Z)-4-oxohex-2-enedioate
Systematic name: 4-sulfomuconolactone sulfohydrolase
Comments: The enzyme was isolated from the bacteria Hydrogenophaga intermedia and Agrobacterium radiobacter S2. It catalyses a step in the degradation of 4-sulfocatechol.
Links to other databases: BRENDA, EAWAG-BBD, EXPASY, KEGG, Metacyc, CAS registry number:
References:
1. Halak, S., Basta, T., Burger, S., Contzen, M., Wray, V., Pieper, D.H. and Stolz, A. 4-sulfomuconolactone hydrolases from Hydrogenophaga intermedia S1 and Agrobacterium radiobacter S2. J. Bacteriol. 189 (2007) 6998-7006. [PMID: 17660282]