4-hydroxymandelate oxidase

In enzymology, a 4-hydroxymandelate oxidase (EC 1.1.3.19) is an enzyme that catalyzes the chemical reaction

4-hydroxymandelate oxidase
Identifiers
EC no.1.1.3.19
CAS no.60976-30-9
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IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
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MetaCycmetabolic pathway
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Gene OntologyAmiGO / QuickGO
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(S)-2-hydroxy-2-(4-hydroxyphenyl)acetate + O2 4-hydroxybenzaldehyde + CO2 + H2O2

Thus, the two substrates of this enzyme are (S)-2-hydroxy-2-(4-hydroxyphenyl)acetate and O2, whereas its 3 products are 4-hydroxybenzaldehyde, CO2, and H2O2.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with oxygen as acceptor. The systematic name of this enzyme class is (S)-2-hydroxy-2-(4-hydroxyphenyl)acetate:oxygen 1-oxidoreductase. This enzyme is also called L-4-hydroxymandelate oxidase (decarboxylating). It has 2 cofactors: FAD, and Manganese.

References

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  • Bhat SG, Vaidyanathan CS (1976). "Purification and properties of L-4-hydroxymandelate oxidase from Pseudomonas convexa". Eur. J. Biochem. 68 (2): 323–31. doi:10.1111/j.1432-1033.1976.tb10818.x. PMID 976259.