IUBMB Enzyme Nomenclature


Accepted name: diaminopropionate ammonia-lyase

Reaction: 2,3-diaminopropanoate + H2O = pyruvate + 2 NH3

Other name(s): diaminopropionatase; α,β-diaminopropionate ammonia-lyase; 2,3-diaminopropionate ammonia-lyase; 2,3-diaminopropanoate ammonia-lyase

Systematic name: 2,3-diaminopropanoate ammonia-lyase (adding water; pyruvate-forming)

Comments: A pyridoxal phosphate enzyme. Active towards both D- and L-diaminopropanoate. D- and L-serine are poor substrates.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 51901-19-0


1. Nagasawa, T., Tanizawa, K., Satoda, T., Yamada, H. Diaminopropionate ammonia-lyase from Salmonella typhimurium. Purification and characterization of the crystalline enzyme, and sequence determination of the pyridoxal 5'-phosphate binding peptide. J. Biol. Chem. 263 (1988) 958-964. [PMID: 3275662]

[EC created 1999]

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