Pyridoxal oxidase

In enzymology, a pyridoxal oxidase (EC 1.2.3.8) is an enzyme that catalyzes the chemical reaction

pyridoxal + H2O + O2 4-pyridoxate + (?)
pyridoxal oxidase
Identifiers
EC number1.2.3.8
CAS number76415-81-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

The 3 substrates of this enzyme are pyridoxal, H2O, and O2, whereas its product is 4-pyridoxate.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with oxygen as acceptor. The systematic name of this enzyme class is pyridoxal:oxygen 4-oxidoreductase. This enzyme participates in vitamin B6 metabolism. It employs one cofactor, molybdenum.

References

    • Hanly EW (1980). "Preliminary characterization and physical properties of pyridoxal oxidase activity from Drosophila melanogaster". Mol. Gen. Genet. 180 (2): 455–462. doi:10.1007/BF00425862.
    • Warner CK, Watts DT, Finnerty V (1980). "Molybdenum hydroxylases in Drosophila. I. Preliminary studies of pyridoxal oxidase". Mol. Gen. Genet. 180 (2): 449–453. doi:10.1007/BF00425861.


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