IUBMB Enzyme Nomenclature


Accepted name: 2-aminoethylphosphonate—pyruvate transaminase

Reaction: (2-aminoethyl)phosphonate + pyruvate = 2-phosphonoacetaldehyde + L-alanine

Other name(s): (2-aminoethyl)phosphonate transaminase; (2-aminoethyl)phosphonate aminotransferase; (2-aminoethyl)phosphonic acid aminotransferase; 2-aminoethylphosphonate-pyruvate aminotransferase; 2-aminoethylphosphonate aminotransferase; 2-aminoethylphosphonate transaminase; AEP transaminase; AEPT

Systematic name: (2-aminoethyl)phosphonate:pyruvate aminotransferase

Comments: A pyridoxal-phosphate protein. 2-Aminoethylarsonate can replace 2-aminoethylphosphonate as a substrate.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 37277-91-1


1. La Nauze, J.M. and Rosenberg, H. The identification of 2-phosphonoacetaldehyde as an intermediate in the degradation of 2-aminoethylphosphonate by Bacillus cereus. Biochim. Biophys. Acta 165 (1968) 438-447. [PMID: 4982500]

2. Dumora, C., Lacoste, A.-M. and Cassaigne, A. Purification and properties of 2-aminoethylphosphonate:pyruvate aminotransferase from Pseudomonas aeruginosa. Eur. J. Biochem. 133 (1983) 119-125. [PMID: 6406228]

3. Lacoste, A.-M., Dumora, C., Balas, L., Hammerschmidt, F. and Vercauteren, J. Stereochemistry of the reaction catalysed by 2-aminoethylphosphonate aminotransferase. A 1H-NMR study. Eur. J. Biochem. 215 (1993) 841-844. [PMID: 8394813]

4. Lacoste, A.-M., Dumora, C., Ali, B.R.S., Neuzil, E. and Dixon, H.B.F. Utilization of 2-aminoethylarsonic acid in Pseudomonas aeruginosa. J. Gen. Microbiol. 138 (1992) 1283-1287. [PMID: 1527499]

[EC created 1972, modified 1982, modified 2001]

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