The Enzyme Database

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Accepted name: gallate dioxygenase
Reaction: 3,4,5-trihydroxybenzoate + O2 = (1E)-4-oxobut-1-ene-1,2,4-tricarboxylate
For diagram of the protocatechuate 3,4-cleavage pathway, click here
Glossary: 3,4,5-trihydroxybenzoate = gallate
Other name(s): GalA; gallate:oxygen oxidoreductase
Systematic name: 3,4,5-trihydroxybenzoate:oxygen oxidoreductase
Comments: Contains non-heme Fe2+. The enzyme is a ring-cleavage dioxygenase that acts specifically on 3,4,5-trihydroxybenzoate to produce the keto-tautomer of 4-oxalomesaconate [1,2].
Links to other databases: BRENDA, EAWAG-BBD, EXPASY, KEGG, MetaCyc
1.  Nogales, J., Canales, A., JimĂ©nez-Barbero, J., García, J.L. and Díaz, E. Molecular characterization of the gallate dioxygenase from Pseudomonas putida KT2440. The prototype of a new subgroup of extradiol dioxygenases. J. Biol. Chem. 280 (2005) 35382–35390. [DOI] [PMID: 16030014]
2.  Nogales, J., Canales, A., Jiménez-Barbero, J., Serra B., Pingarrón, J. M., García, J. L. and Díaz, E. Unravelling the gallic acid degradation pathway in bacteria: the gal cluster from Pseudomonas putida. Mol. Microbiol. 79 (2011) 359–374. [DOI] [PMID: 21219457]
[EC created 2011]

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