The Enzyme Database

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Accepted name: UDP-N-acetylglucosamine kinase
Reaction: ATP + UDP-N-acetyl-α-D-glucosamine = ADP + UDP-N-acetyl-α-D-glucosamine 3′-phosphate
Other name(s): UNAG kinase; ζ toxin; toxin PezT; ATP:UDP-N-acetyl-D-glucosamine 3′-phosphotransferase
Systematic name: ATP:UDP-N-acetyl-α-D-glucosamine 3′-phosphotransferase
Comments: Toxic component of a toxin-antitoxin (TA) module. The phosphorylation of UDP-N-acetyl-D-glucosamine results in the inhibition of EC, UDP-N-acetylglucosamine 1-carboxyvinyltransferase, the first committed step in cell wall synthesis, which is then blocked. The activity of this enzyme is inhibited when the enzyme binds to the cognate ε antitoxin.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Khoo, S.K., Loll, B., Chan, W.T., Shoeman, R.L., Ngoo, L., Yeo, C.C. and Meinhart, A. Molecular and structural characterization of the PezAT chromosomal toxin-antitoxin system of the human pathogen Streptococcus pneumoniae. J. Biol. Chem. 282 (2007) 19606–19618. [DOI] [PMID: 17488720]
2.  Mutschler, H., Gebhardt, M., Shoeman, R.L. and Meinhart, A. A novel mechanism of programmed cell death in bacteria by toxin-antitoxin systems corrupts peptidoglycan synthesis. PLoS Biol. 9:e1001033 (2011). [DOI] [PMID: 21445328]
[EC created 2012]

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