IUBMB Enzyme Nomenclature


Accepted name: undecaprenyl-phosphate glucose phosphotransferase

Reaction: UDP-glucose + ditrans,octacis-undecaprenyl phosphate = UMP + α-D-glucopyranosyl-diphospho-ditrans,octacis-undecaprenol

For diagram of the reaction click here.

Other name(s): GumD; undecaprenylphosphate glucosylphosphate transferase

Systematic name: UDP-glucose:-ditrans,octacis-undecaprenyl-phosphate glucose phosphotransferase

Comments: The enzyme is involved in biosynthesis of xanthan.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Ielpi, L., Couso, R.O. and Dankert, M.A. Sequential assembly and polymerization of the polyprenol-linked pentasaccharide repeating unit of the xanthan polysaccharide in Xanthomonas campestris. J. Bacteriol. 175 (1993) 2490-2500. [PMID: 7683019]

2. Katzen, F., Ferreiro, D.U., Oddo, C.G., Ielmini, M.V., Becker, A., Puhler, A. and Ielpi, L. Xanthomonas campestris pv. campestris gum mutants: effects on xanthan biosynthesis and plant virulence. J. Bacteriol. 180 (1998) 1607-1617. [PMID: 9537354]

3. Kim, S.Y., Kim, J.G., Lee, B.M. and Cho, J.Y. Mutational analysis of the gum gene cluster required for xanthan biosynthesis in Xanthomonas oryzae pv oryzae. Biotechnol. Lett. 31 (2009) 265-270. [PMID: 18854951]

[EC created 2011]

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