Protocatechuate decarboxylase
In enzymology, a protocatechuate decarboxylase (EC 4.1.1.63) is an enzyme that catalyzes the chemical reaction
- 3,4-dihydroxybenzoate catechol + CO2
| protocatechuate decarboxylase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 4.1.1.63 | ||||||||
| CAS number | 37290-55-4 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Hence, this enzyme has one substrate, 3,4-dihydroxybenzoate, and two products, catechol and CO2.
This enzyme belongs to the family of lyases, specifically the carboxy-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is 3,4-dihydroxybenzoate carboxy-lyase (catechol-forming). Other names in common use include 3,4-dihydrobenzoate decarboxylase, and protocatechuate carboxy-lyase. This enzyme participates in benzoate degradation via hydroxylation.
References
- Grant DJ, Patel JC (1969). "The non-oxidative decarboxylation of p-hydroxybenzoic acid, gentisic acid, protocatechuic acid and gallic acid by Klebsiella aerogenes (Aerobacter aerogenes)". Antonie van Leeuwenhoek. 35 (3): 325–43. doi:10.1007/BF02219153. PMID 5309907.
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