4-Sulfomuconolactone hydrolase

4-sulfomuconolactone hydrolase (EC 3.1.1.92) is an enzyme with systematic name 4-sulfomuconolactone sulfohydrolase.^[1] This enzyme catalyses the following chemical reaction

4-sulfomuconolactone + H₂O

\rightleftharpoons

maleylacetate + sulfite

The enzyme was isolated from the bacteria Hydrogenophaga intermedia and Agrobacterium radiobacter S2.

References

↑ Halak, S.; Basta, T.; Burger, S.; Contzen, M.; Wray, V.; Pieper, D.H.; Stolz, A. (2007). "4-sulfomuconolactone hydrolases from Hydrogenophaga intermedia S1 and Agrobacterium radiobacter S2". J. Bacteriol. 189: 6998–7006. doi:10.1128/jb.00611-07. PMID 17660282.

3.1.1: Carboxylic
ester hydrolases

Endodeoxyribonuclease	Deoxyribonuclease I Deoxyribonuclease II Deoxyribonuclease IV Restriction enzyme UvrABC endonuclease

Endoribonuclease	RNase III RNase H 1 2A 2B 2C RNase P RNase A 1 2 3 4/5 RNase T1 RNA-induced silencing complex

either deoxy- or ribo-	Aspergillus nuclease S1 Micrococcal nuclease

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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