N-acetylgalactosamine-N,N'-diacetylbacillosaminyl-diphospho-undecaprenol 4-alpha-N-acetylgalactosaminyltransferase
N-acetylgalactosamine-N, N'-diacetylbacillosaminyl-diphospho-undecaprenol 4-alpha-N-acetylgalactosaminyltransferase (EC 2.4.1.291, PglJ) is an enzyme with systematic name UDP-N-acetyl-alpha-D-galactosamine:N-acetylgalactosaminyl-alpha-(1->3)-N,N'-diacetyl-alpha-D-bacillosaminyl-diphospho-tritrans,heptacis-undecaprenol 3-alpha-N-acetyl-D-galactosaminyltransferase.[1][2] This enzyme catalyses the following chemical reaction
| N-acetylgalactosamine-N,N'-diacetylbacillosaminyl-diphospho-undecaprenol 4-alpha-N-acetylgalactosaminyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.1.291 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
- UDP-N-acetyl-alpha-D-galactosamine + N-acetyl-D-galactosaminyl-alpha-(1->3)-N,N'-diacetyl-alpha-D-bacillosaminyl-diphospho-tritrans,heptacis-undecaprenol UDP + N-acetyl-D-galactosaminyl-alpha-(1->4)-N-acetyl-D-galactosaminyl-alpha-(1->3)-N,N'-diacetyl-alpha-D-bacillosaminyl-diphospho-tritrans,heptacis-undecaprenol
This enzyme is isolated from Campylobacter jejuni.
References
edit- ^ Glover KJ, Weerapana E, Imperiali B (October 2005). "In vitro assembly of the undecaprenylpyrophosphate-linked heptasaccharide for prokaryotic N-linked glycosylation". Proceedings of the National Academy of Sciences of the United States of America. 102 (40): 14255–9. Bibcode:2005PNAS..10214255G. doi:10.1073/pnas.0507311102. PMC 1242339. PMID 16186480.
- ^ Chen MM, Weerapana E, Ciepichal E, Stupak J, Reid CW, Swiezewska E, Imperiali B (December 2007). "Polyisoprenol specificity in the Campylobacter jejuni N-linked glycosylation pathway". Biochemistry. 46 (50): 14342–8. doi:10.1021/bi701956x. PMC 2585822. PMID 18034500.
External links
edit- N-acetylgalactosamine-N,N'-diacetylbacillosaminyl-diphospho-undecaprenol+4-alpha-N-acetylgalactosaminyltransferase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
