The Enzyme Database

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Accepted name: β-lysine N6-acetyltransferase
Reaction: acetyl-CoA + (3S)-3,6-diaminohexanoate = CoA + (3S)-6-acetamido-3-aminohexanoate
Glossary: (3S)-3,6-diaminohexanoate = β-L-lysine
(3S)-6-acetamido-3-aminohexanoate = N6-acetyl-β-L-lysine
Other name(s): ablB (gene name)
Systematic name: acetyl-CoA:(3S)-3,6-diaminohexanoate N6-acetyltransferase
Comments: The enzyme is found in some methanogenic archaea and bacteria. In archaea it is induced under salt stress. The product, N6-acetyl-β-L-lysine, serves as a compatible solute, conferring high salt resistance on the producing organisms.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Pfluger, K., Baumann, S., Gottschalk, G., Lin, W., Santos, H. and Muller, V. Lysine-2,3-aminomutase and β-lysine acetyltransferase genes of methanogenic archaea are salt induced and are essential for the biosynthesis of Nε-acetyl-β-lysine and growth at high salinity. Appl. Environ. Microbiol. 69 (2003) 6047–6055. [DOI] [PMID: 14532061]
2.  Muller, S., Hoffmann, T., Santos, H., Saum, S.H., Bremer, E. and Muller, V. Bacterial abl-like genes: production of the archaeal osmolyte N(ε)-acetyl-β-lysine by homologous overexpression of the yodP-kamA genes in Bacillus subtilis. Appl. Microbiol. Biotechnol. 91 (2011) 689–697. [DOI] [PMID: 21538109]
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