IUBMB Enzyme Nomenclature


Accepted name: GalNAc5-diNAcBac-PP-undecaprenol β-1,3-glucosyltransferase

Reaction: UDP-α-D-glucose + [GalNAc-α-(1→4)]4-GalNAc-α-(1→3)-diNAcBac-diphospho-tritrans,heptacis-undecaprenol = UDP + [GalNAc-α-(1→4)]2-[Glc-β-(1→3)]-[GalNAc-α-(1→4)]2-GalNAc-α-(1→3)-diNAcBac-diphospho-tritrans,heptacis-undecaprenol

For diagram of reaction click here.

Glossary: diNAcBac = N,N'-diacetyl-D-bacillosamine = 2,4-diacetamido-2,4,6-trideoxy-D-glucopyranose

Other name(s): PglI

Systematic name: UDP-α-D-glucose:[GalNAc-α-(1→4)]4-GalNAc-α-(1→3)-diNAcBac-diphospho-tritrans,heptacis-undecaprenol 3-β-D-glucosyltransferase

Comments: Isolated from the bacterium Campylobacter jejuni. Part of a bacterial N-linked glycosylation pathway.

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


1. Glover, K.J., Weerapana, E. and Imperiali, B. In vitro assembly of the undecaprenylpyrophosphate-linked heptasaccharide for prokaryotic N-linked glycosylation. Proc. Natl. Acad. Sci. USA 102 (2005) 14255-14259. [PMID: 16186480]

2. Kelly, J., Jarrell, H., Millar, L., Tessier, L., Fiori, L.M., Lau, P.C., Allan, B. and Szymanski, C.M. Biosynthesis of the N-linked glycan in Campylobacter jejuni and addition onto protein through block transfer. J. Bacteriol. 188 (2006) 2427-2434. [PMID: 16547029]

[EC created 2012]

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