Formamidase
In enzymology, a formamidase (EC 3.5.1.49) is an enzyme that catalyzes the chemical reaction
- formamide + H2O formate + NH3
| formamidase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
 Formamidase hexamer, Helicobacter pylori | |||||||||
| Identifiers | |||||||||
| EC number | 3.5.1.49 | ||||||||
| CAS number | 9013-59-6 | ||||||||
| 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 | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are formamide and H2O, whereas its two products are formate and NH3.
This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amides. The systematic name of this enzyme class is formamide amidohydrolase. This enzyme participates in glyoxylate and dicarboxylate metabolism and nitrogen metabolism.
Structural studies
As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes 2DYU, 2DYV, 2E2K, and 2E2L.
References
- Clarke PH (1970). "The aliphatic amidases of Pseudomonas aeruginosa". Adv. Microb. Physiol. Advances in Microbial Physiology. 4: 179–222. doi:10.1016/S0065-2911(08)60442-7. ISBN 978-0-12-027704-9.
- Friedrich CG, Mitrenga G (1981). "Utilization of aliphatic amides and formation of two different amidases by Alcaligenes eutrophus". J. Gen. Microbiol. 125 (2): 367–374. doi:10.1099/00221287-125-2-367.
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