Term Name:	protocatechuate 4,5-dioxygenase activity
Synonyms:	protocatechuate 4,5-oxygenase activity, protocatechuate:oxygen 4,5-oxidoreductase (decyclizing), protocatechuic 4,5-dioxygenase activity, protocatechuic 4,5-oxygenase activity
Definition:	Catalysis of the reaction: protocatechuate + O2 = 4-carboxy-2-hydroxymuconate semialdehyde.
Ontology:	GO: Molecular Function [GO:0018579]    QuickGO    AmiGO