protocatechuate 3,4-dioxygenase activity (Q21759011)
Catalysis of the reaction: 3,4-dihydroxybenzoate + O2 = 3-carboxy-cis,cis-muconate.
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other details
aliases protocatechuate:oxygen 3,4-oxidoreductase (decyclizing)
 protocatechuic 3,4-dioxygenase activity
 GO:0018578
 protocatechuic acid oxidase activity
 protocatechuic 3,4-oxygenase activity
description Catalysis of the reaction: 3,4-dihydroxybenzoate + O2 = 3-carboxy-cis,cis-muconate.

External Links
(P686) GO:0018578