The Enzyme Database

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Accepted name: glutamine—phenylpyruvate transaminase
Reaction: L-glutamine + phenylpyruvate = 2-oxoglutaramate + L-phenylalanine
For diagram of reaction, click here and for mechanism, click here
Other name(s): glutamine transaminase K; glutamine-phenylpyruvate aminotransferase
Systematic name: L-glutamine:phenylpyruvate aminotransferase
Comments: A pyridoxal-phosphate protein. L-Methionine, L-histidine and L-tyrosine can act as donors. The enzyme has little activity on pyruvate and glyoxylate (cf. EC glutamine—pyruvate transaminase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 68518-06-9
1.  Cooper, A.J.L. Purification of soluble and mitochondrial glutamine transaminase K from rat kidney. Use of a sensitive assay involving transamination between L-phenylalanine and α-keto-γ-methiolbutyrate. Anal. Biochem. 89 (1978) 451–460. [PMID: 727444]
2.  Cooper, A.J.L. and Meister, A. Isolation and properties of a new glutamine transaminase from rat kidney. J. Biol. Chem. 249 (1974) 2554–2561. [PMID: 4822504]
[EC created 1984]

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