Xylono-1,4-lactonase

xylono-1,4-lactonase
Identifiers
EC number 3.1.1.68
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / EGO

In enzymology, a xylono-1,4-lactonase (EC 3.1.1.68) is an enzyme that catalyzes the chemical reaction

D-xylono-1,4-lactone + H2O D-xylonate

Thus, the two substrates of this enzyme are D-xylono-1,4-lactone and H2O, whereas its product is D-xylonate.

This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is D-xylono-1,4-lactone lactonohydrolase. Other names in common use include xylono-g-lactonase, and xylonolactonase. This enzyme participates in pentose and glucuronate interconversions.

References

    • Buchert J; Viikari L (1988). "The role of xylonolactone in xylonic acid production by Pseudomonas fragi". Appl. Microbiol. Biotechnol. 27: 333336. doi:10.1007/bf00251763. 
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