The enzyme 4-pyridoxolactonase (EC 3.1.1.27) catalyzes the reaction

4-pyridoxolactonase
Identifiers
EC no.3.1.1.27
CAS no.37278-41-4
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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4-pyridoxolactone + H2O 4-pyridoxate

This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name is 4-pyridoxolactone lactonohydrolase. It participates in vitamin B6 metabolism.

References

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  • Burg RW, Snell EE (1969). "The bacterial oxidation of vitamin B6. VI. Pyridoxal dehydrogenase and 4-pyridoxolactonase". J. Biol. Chem. 244 (10): 2585–9. PMID 4306030.