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Catalysis of the reaction: 3-hydroxyanthranilate + O2 = 6-imino-5-oxocyclohexa-1,3-dienecarboxylate + H2O2. Catalysis of the reaction: ubiquinol + O2 = ubiquinone + 2 H2R; cytochrome O is the electron acceptor. Catalysis of the reaction: 4 benzenediol + O2 = 4 benzosemiquinone + 2 H2O. Catalysis of an oxidation-reduction (redox) reaction in which a diphenol or related substance acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor. Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced. Catalysis of the reaction: rifamycin B + O2 = rifamycin O + H2O2. Catalysis of the reaction: 2 L-ascorbate + O2 = 2 dehydroascorbate + 2 H2O. Catalysis of the reaction: 2 catechol + O2 = 2 1,2-benzoquinone + 2 H2O. Catalysis of the reaction: 2 2-aminophenol + 3 O2 = 2 isophenoxazine + 6 H2O. Catalysis of the oxidation of ubiquinol by diverting electrons from the standard electron transfer chain, transferring them from ubiquinol to oxygen and generating water as the product. Catalysis of an oxidation-reduction (redox) reaction in which a diphenol, or related compound, acts as a hydrogen or electron donor and reduces oxygen.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
Acc: GO:0016682
Aspect: Molecular Function
Desc: Catalysis of an oxidation-reduction (redox) reaction in which a diphenol, or related compound, acts as a hydrogen or electron donor and reduces oxygen.
Proteins in PDR annotated with:
   This term: 28 [Search]
   Term or descendants: 71 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0016682 - oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor (interactive image map)
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Created and Maintained by: Michael Riffle