Thiol oxidase

In enzymology, a thiol oxidase (EC 1.8.3.2) is an enzyme that catalyzes the chemical reaction

4 R'C(R)SH + O2 2 R'C(R)S-S(R)CR' + 2 H2O
thiol oxidase
Identifiers
EC number1.8.3.2
CAS number9029-39-4
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Thus, the two substrates of this enzyme are R'C(R)SH and O2, whereas its two products are R'C(R)S-S(R)CR' and H2O.

This enzyme belongs to the family of oxidoreductases, specifically those acting on a sulfur group of donors with oxygen as acceptor. The systematic name of this enzyme class is thiol:oxygen oxidoreductase. This enzyme is also called sulfhydryl oxidase.

References

    • AURBACH GD, JAKOBY WB (1962). "The multiple functions of thiooxidase". J. Biol. Chem. 237: 565–8. PMID 13863296.
    • NEUFELD HA, GREEN LF, LATTERELL FM, WEINTRAUB RL (1958). "Thioxidase, a new sulfhydryl-oxidizing enzyme from Piricularia oryzae and Polyporus versicolor". J. Biol. Chem. 232 (2): 1093–9. PMID 13549489.


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