Putrescine oxidase
In enzymology, a putrescine oxidase (EC 1.4.3.10) is an enzyme that catalyzes the chemical reaction
- putrescine + O2 + H2O 4-aminobutanal + NH3 + H2O2
| putrescine oxidase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 1.4.3.10 | ||||||||
| CAS no. | 9076-87-3 | ||||||||
| 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 | ||||||||
| |||||||||
The 3 substrates of this enzyme are putrescine, O2, and H2O, whereas its 3 products are 4-aminobutanal, NH3, and H2O2.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with oxygen as acceptor. The systematic name of this enzyme class is putrescine:oxygen oxidoreductase (deaminating). This enzyme participates in urea cycle and metabolism of amino groups. It employs one cofactor, FAD.
References
- DeSa RJ (September 1972). "Putrescine oxidase from Micrococcus rubens. Purification and properties of the enzyme". The Journal of Biological Chemistry. 247 (17): 5527–34. PMID 4341347.
- Yamada H (1971). "Putrescine oxidase (Micrococcus rubens)". Methods Enzymol. 17B: 726–730. doi:10.1016/0076-6879(71)17126-1.
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