Diaminobutyrate—pyruvate transaminase
In enzymology, a diaminobutyrate-pyruvate transaminase (EC 2.6.1.46) is an enzyme that catalyzes the chemical reaction
- L-2,4-diaminobutanoate + pyruvate L-aspartate 4-semialdehyde + L-alanine
| diaminobutyrate-pyruvate transaminase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.6.1.46 | ||||||||
| CAS number | 37277-95-5 | ||||||||
| 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 L-2,4-diaminobutanoate and pyruvate, whereas its two products are L-aspartate 4-semialdehyde 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 L-2,4-diaminobutanoate:pyruvate aminotransferase. Other names in common use include diaminobutyrate-pyruvate aminotransferase, and L-diaminobutyric acid transaminase. It employs one cofactor, pyridoxal phosphate.
References
- Rao DR, Hariharan K, Vijayalakshmi KR (1969). "A study of the metabolism of L-alpha gamma-diaminobutyric acid in a Xanthomonas species". Biochem. J. 114 (1): 107–15. PMC 1184802. PMID 4390206.
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