Reaction: UDP-N-acetyl-α-D-galactosamine + N-acetyl-D-galactosaminyl-α-(1→3)-N,N'-diacetyl-α-D-bacillosaminyl-diphospho-tritrans,heptacis-undecaprenol = UDP + N-acetyl-D-galactosaminyl-α-(1→4)-N-acetyl-D-galactosaminyl-α-(1→3)-N,N'-diacetyl-α-D-bacillosaminyl-diphospho-tritrans,heptacis-undecaprenol
For diagram of reaction click here.
Glossary: N,N'-diacetyl-D-bacillosamine = 2,4-diacetamido-2,4,6-trideoxy-D-glucopyranose
Other name(s): PglJ
Systematic name: UDP-N-acetyl-α-D-galactosamine:N-acetylgalactosaminyl-α-(1→3)-N,N'-diacetyl-α-D-bacillosaminyl-diphospho-tritrans,heptacis-undecaprenol 3-α-N-acetyl-D-galactosaminyltransferase
Comments: Isolated from Campylobacter jejuni. Part of a bacterial N-linked glycosylation pathway.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:
References:
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. Chen, M.M., Weerapana, E., Ciepichal, E., Stupak, J., Reid, C.W., Swiezewska, E. and Imperiali, B. Polyisoprenol specificity in the Campylobacter jejuni N-linked glycosylation pathway. Biochemistry 46 (2007) 14342-14348. [PMID: 18034500]