Tryptophan—phenylpyruvate transaminase
| tryptophan-phenylpyruvate transaminase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.6.1.28 | ||||||||
| CAS number | 37277-87-5 | ||||||||
| 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 / EGO | ||||||||
| |||||||||
In enzymology, a tryptophan-phenylpyruvate transaminase (EC 2.6.1.28) is an enzyme that catalyzes the chemical reaction
- L-tryptophan + phenylpyruvate (indol-3-yl)pyruvate + L-phenylalanine
Thus, the two substrates of this enzyme are L-tryptophan and phenylpyruvate, whereas its two products are (indol-3-yl)pyruvate and L-phenylalanine.
This enzyme belongs to the family of transferases, specifically the transaminases, which transfer nitrogenous groups. The systematic name of this enzyme class is L-tryptophan:phenylpyruvate aminotransferase. This enzyme is also called L-tryptophan-alpha-ketoisocaproate aminotransferase.
References
- Koide Y, Honma M, Shimomura T (1980). "L-Tryptophan-alpha-ketoisocaproate aminotransferase from Pseudomonas sp". Agric. Biol. Chem. 44: 2013–2019. doi:10.1271/bbb1961.44.2013.
- Sukanya NK, Vaidyanathan CS (1964). "Aminotransferases of Agrobacterium tumefaciens. Transamination between tryptophan and phenylpyruvate". Biochem. J. 92 (3): 594–8. PMC 1206107
. PMID 5837443.
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