Pyridoxamine—pyruvate transaminase
In enzymology, a pyridoxamine-pyruvate transaminase (EC 2.6.1.30) is an enzyme that catalyzes the chemical reaction
- pyridoxamine + pyruvate pyridoxal + L-alanine
| pyridoxamine-pyruvate transaminase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.6.1.30 | ||||||||
| CAS no. | 9023-38-5 | ||||||||
| 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 pyridoxamine and pyruvate, whereas its two products are pyridoxal and L-alanine.
This enzyme belongs to the family of transferases, specifically the transaminases, which transfer nitrogenous groups. The systematic name of this enzyme class is pyridoxamine:pyruvate aminotransferase. This enzyme is also called pyridoxamine-pyruvic transaminase. This enzyme participates in vitamin B6 metabolism.
References
- Wada H, Snell EE (January 1962). "Enzymatic transamination of pyridoxamine. II. Crystalline pyridoxamine-pyruvate transaminase". The Journal of Biological Chemistry. 237: 133–7. PMID 14004227.
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