The Enzyme Database

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Accepted name: 3-aminobutyryl-CoA ammonia-lyase
Reaction: L-3-aminobutyryl-CoA = crotonoyl-CoA + NH3
For diagram of lysine catabolism, click here
Other name(s): L-3-aminobutyryl-CoA deaminase; L-3-aminobutyryl-CoA ammonia-lyase
Systematic name: L-3-aminobutyryl-CoA ammonia-lyase (crotonoyl-CoA-forming)
Comments: Hydroxylamine can replace ammonia as a substrate. Crotonoyl-pantetheine can replace crotonoyl-CoA but it is a poorer substrate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 55467-41-9
1.  Jeng, I.-M., Barker, H.A. Purification and properties of L-3-aminobutyryl coenzyme A deaminase from a lysine-fermenting Clostridium. J. Biol. Chem. 249 (1974) 6578–6584. [PMID: 4420467]
2.  Barker, H.A., Kahn, J.M., Chew, S. Enzymes involved in 3,5-diaminohexanoate degradation by Brevibacterium sp. J. Bacteriol. 143 (1980) 1165–1170. [PMID: 7410315]
[EC created 1999]

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