The Enzyme Database

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EC 3.5.1.108     
Accepted name: UDP-3-O-acyl-N-acetylglucosamine deacetylase
Reaction: UDP-3-O-[(3R)-3-hydroxymyristoyl]-N-acetyl-α-D-glucosamine + H2O = UDP-3-O-[(3R)-3-hydroxymyristoyl]-α-D-glucosamine + acetate
For diagram of lipid IVA biosynthesis, click here
Other name(s): LpxC protein; LpxC enzyme; LpxC deacetylase; deacetylase LpxC; UDP-3-O-acyl-GlcNAc deacetylase; UDP-3-O-((R)-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase; UDP-(3-O-acyl)-N-acetylglucosamine deacetylase; UDP-3-O-(R-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase; UDP-(3-O-(R-3-hydroxymyristoyl))-N-acetylglucosamine deacetylase; UDP-3-O-[(3R)-3-hydroxymyristoyl]-N-acetylglucosamine amidohydrolase
Systematic name: UDP-3-O-[(3R)-3-hydroxymyristoyl]-N-acetyl-α-D-glucosamine amidohydrolase
Comments: A zinc protein. The enzyme catalyses a committed step in the biosynthesis of lipid A.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Hernick, M., Gennadios, H.A., Whittington, D.A., Rusche, K.M., Christianson, D.W. and Fierke, C.A. UDP-3-O-((R)-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase functions through a general acid-base catalyst pair mechanism. J. Biol. Chem. 280 (2005) 16969–16978. [PMID: 15705580]
2.  Jackman, J.E., Raetz, C.R. and Fierke, C.A. UDP-3-O-(R-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase of Escherichia coli is a zinc metalloenzyme. Biochemistry 38 (1999) 1902–1911. [PMID: 10026271]
3.  Hyland, S.A., Eveland, S.S. and Anderson, M.S. Cloning, expression, and purification of UDP-3-O-acyl-GlcNAc deacetylase from Pseudomonas aeruginosa: a metalloamidase of the lipid A biosynthesis pathway. J. Bacteriol. 179 (1997) 2029–2037. [PMID: 9068651]
4.  Wang, W., Maniar, M., Jain, R., Jacobs, J., Trias, J. and Yuan, Z. A fluorescence-based homogeneous assay for measuring activity of UDP-3-O-(R-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase. Anal. Biochem. 290 (2001) 338–346. [PMID: 11237337]
5.  Whittington, D.A., Rusche, K.M., Shin, H., Fierke, C.A. and Christianson, D.W. Crystal structure of LpxC, a zinc-dependent deacetylase essential for endotoxin biosynthesis. Proc. Natl. Acad. Sci. USA 100 (2003) 8146–8150. [PMID: 12819349]
6.  Mochalkin, I., Knafels, J.D. and Lightle, S. Crystal structure of LpxC from Pseudomonas aeruginosa complexed with the potent BB-78485 inhibitor. Protein Sci. 17 (2008) 450–457. [PMID: 18287278]
[EC 3.5.1.108 created 2010]
 
 


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