Term Name:	protocatechuate 3,4-dioxygenase activity
Synonyms:	protocatechuate oxygenase activity, protocatechuate:oxygen 3,4-oxidoreductase (decyclizing), protocatechuic 3,4-dioxygenase activity, protocatechuic 3,4-oxygenase activity, protocatechuic acid oxidase activity
Definition:	Catalysis of the reaction: 3,4-dihydroxybenzoate + O2 = 3-carboxy-cis,cis-muconate.
Ontology:	GO: Molecular Function [GO:0018578]    QuickGO    AmiGO