L-aspartate oxidase
| L-aspartate oxidase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 1.4.3.16 | ||||||||
| CAS number | 69106-47-4 | ||||||||
| 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 | ||||||||
| |||||||||
In enzymology, a L-aspartate oxidase (EC 1.4.3.16) is an enzyme that catalyzes the chemical reaction
- L-aspartate + H2O + O2 oxaloacetate + NH3 + H2O2
The 3 substrates of this enzyme are L-aspartate, H2O, and O2, whereas its 3 products are oxaloacetate, 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 L-aspartate:oxygen oxidoreductase (deaminating). This enzyme participates in alanine and aspartate metabolism and nicotinate and nicotinamide metabolism. It employs one cofactor, FAD.
Structural studies
As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 1J5P, 1KNP, and 1KNR.
References
- Nasu S, Wicks FD, Gholson RK (1982). "L-Aspartate oxidase, a newly discovered enzyme of Escherichia coli, is the B protein of quinolinate synthetase". J. Biol. Chem. 257 (2): 626&ndash, 32. PMID 7033218.
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