The Enzyme Database

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EC 5.4.2.10     
Accepted name: phosphoglucosamine mutase
Reaction: α-D-glucosamine 1-phosphate = D-glucosamine 6-phosphate
For diagram of the biosynthesis of UDP-N-acetylglucosamine, click here
Systematic name: α-D-glucosamine 1,6-phosphomutase
Comments: The enzyme is involved in the pathway for bacterial cell-wall peptidoglycan and lipopolysaccharide biosyntheses, being an essential step in the pathway for UDP-N-acetylglucosamine biosynthesis. The enzyme from Escherichia coli is activated by phosphorylation and can be autophosphorylated in vitro by α-D-glucosamine 1,6-bisphosphate, which is an intermediate in the reaction, α-D-glucose 1,6-bisphosphate or ATP. It can also catalyse the interconversion of α-D-glucose 1-phosphate and glucose 6-phosphate, although at a much lower rate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9031-92-9
References:
1.  Mengin-Lecreulx, D. and van Heijenoort, J. Characterization of the essential gene glmM encoding phosphoglucosamine mutase in Escherichia coli. J. Biol. Chem. 271 (1996) 32–39. [PMID: 8550580]
2.  de Reuse, H., Labigne, A. and Mengin-Lecreulx, D. The Helicobacter pylori ureC gene codes for a phosphoglucosamine mutase. J. Bacteriol. 179 (1997) 3488–3493. [PMID: 9171391]
3.  Jolly, L., Wu, S., van Heijenoort, J., de Lencastre, H., Mengin-Lecreulx, D. and Tomas, A. The femR315 gene from Staphylococcus aureus, the interruption of which results in reduced methicillin resistance, encodes a phosphoglucosamine mutase. J. Bacteriol. 179 (1997) 5321–5325. [PMID: 9286983]
4.  Jolly, L., Ferrari, P., Blanot, D., van Heijenoort, J., Fassy, F. and Mengin-Lecreulx, D. Reaction mechanism of phosphoglucosamine mutase from Escherichia coli. Eur. J. Biochem. 262 (1999) 202–210. [PMID: 10231382]
5.  Jolly, L., Pompeo, F., van Heijenoort, J., Fassy, F. and Mengin-Lecreulx, D. Autophosphorylation of phosphoglucosamine mutase from Escherichia coli. J. Bacteriol. 182 (2000) 1280–1285. [PMID: 10671448]
[EC 5.4.2.10 created 2001]
 
 


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