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Catalysis of the reaction: 3,4-dihydroxybenzoate + O2 = 3-carboxy-cis,cis-muconate. Catalysis of the incorporation of both atoms of oxygen from one molecule of O2 into the (reduced) substrate. Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from one donor, and two oxygen atoms is incorporated into a donor. Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from one donor, and molecular oxygen is incorporated into a donor.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: protocatechuate 3,4-dioxygenase activity
Acc: GO:0018578
Aspect: Molecular Function
Desc: Catalysis of the reaction: 3,4-dihydroxybenzoate + O2 = 3-carboxy-cis,cis-muconate.
Synonyms:
  • protocatechuate oxygenase activity
  • protocatechuic 3,4-oxygenase activity
  • protocatechuic 3,4-dioxygenase activity
  • protocatechuic acid oxidase activity
  • protocatechuate:oxygen 3,4-oxidoreductase (decyclizing)
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 2 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0018578 - protocatechuate 3,4-dioxygenase activity (interactive image map)
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