UniProt ID: B0UXN0 |
FUNCTION: Catalyzes the oxidation of sulfhydryl groups in peptide and protein thiols to disulfides with the reduction of oxygen to hydrogen peroxide. {ECO:0000256|RuleBase:RU371123}. CATALYTIC ACTIVITY: Reaction=O2 + 2 R'C(R)SH = H2O2 + R'C(R)S-S(R)CR'; Xref=Rhea:RHEA:17357, ChEBI:CHEBI:15379, ChEBI:CHEBI:16240, ChEBI:CHEBI:16520, ChEBI:CHEBI:17412; EC=1.8.3.2; Evidence={ECO:0000256|ARBA:ARBA00000999, ECO:0000256|RuleBase:RU371123}; COFACTOR: Name=FAD; Xref=ChEBI:CHEBI:57692; Evidence={ECO:0000256|ARBA:ARBA00001974, ECO:0000256|RuleBase:RU371123}; SIMILARITY: Belongs to the quiescin-sulfhydryl oxidase (QSOX) family. {ECO:0000256|ARBA:ARBA00006041, ECO:0000256|RuleBase:RU371123}. CAUTION: Lacks conserved residue(s) required for the propagation of feature annotation. {ECO:0000256|RuleBase:RU371123}. |
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