Glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase
| Glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.1.224 | ||||||||
| CAS no. | 336193-98-7 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase (EC 2.4.1.224, alpha-N-acetylglucosaminyltransferase II glucuronyl-N-acetylglucosaminylproteoglycan alpha-1,4-N-acetylglucosaminyltransferase) is an enzyme with systematic name UDP-N-acetyl-D-glucosamine:beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase.[1][2][3][4] This enzyme catalyses the following chemical reaction
- UDP-N-acetyl-D-glucosamine + beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan UDP + N-acetyl-alpha-D-glucosaminyl-(1->4)-beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan
This enzyme is involved in the biosynthesis of heparin and heparan sulfate.
References
[edit]- ^ Kim BT, Kitagawa H, Tamura J, Saito T, Kusche-Gullberg M, Lindahl U, Sugahara K (June 2001). "Human tumor suppressor EXT gene family members EXTL1 and EXTL3 encode alpha 1,4- N-acetylglucosaminyltransferases that likely are involved in heparan sulfate/ heparin biosynthesis". Proceedings of the National Academy of Sciences of the United States of America. 98 (13): 7176–81. Bibcode:2001PNAS...98.7176K. doi:10.1073/pnas.131188498. PMC 34642. PMID 11390981.
- ^ Kitagawa H, Egusa N, Tamura JI, Kusche-Gullberg M, Lindahl U, Sugahara K (February 2001). "rib-2, a Caenorhabditis elegans homolog of the human tumor suppressor EXT genes encodes a novel alpha1,4-N-acetylglucosaminyltransferase involved in the biosynthetic initiation and elongation of heparan sulfate". The Journal of Biological Chemistry. 276 (7): 4834–8. doi:10.1074/jbc.C000835200. PMID 11121397.
- ^ Senay C, Lind T, Muguruma K, Tone Y, Kitagawa H, Sugahara K, Lidholt K, Lindahl U, Kusche-Gullberg M (September 2000). "The EXT1/EXT2 tumor suppressors: catalytic activities and role in heparan sulfate biosynthesis". EMBO Reports. 1 (3): 282–6. doi:10.1093/embo-reports/kvd045. PMC 1083719. PMID 11256613.
- ^ Lind T, Tufaro F, McCormick C, Lindahl U, Lidholt K (October 1998). "The putative tumor suppressors EXT1 and EXT2 are glycosyltransferases required for the biosynthesis of heparan sulfate". The Journal of Biological Chemistry. 273 (41): 26265–8. doi:10.1074/jbc.273.41.26265. PMID 9756849.
External links
[edit]- Glucuronosyl-N-acetylglucosaminyl-proteoglycan+4-alpha-N-acetylglucosaminyltransferase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
