From Wikipedia, the free encyclopedia
Alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase
Identifiers
EC no. 2.4.1.201
CAS no. 119699-68-2
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Search
PMC articles
PubMed articles
NCBI proteins

Alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase ( EC 2.4.1.201, N-acetylglucosaminyltransferase VI, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase VI, uridine diphosphoacetylglucosamine-glycopeptide beta-1->4-acetylglucosaminyltransferase VI, mannosyl-glycoprotein beta-1,4-N-acetylglucosaminyltransferase, GnTVI) is an enzyme with systematic name UDP-N-acetyl-D-glucosamine:2,6-bis(N-acetyl-beta-D-glucosaminyl)-alpha-D-mannosyl-glycoprotein 4-beta-N-acetyl-D-glucosaminyltransferase. [1] [2] This enzyme catalyses the following chemical reaction

UDP-N-acetyl-D-glucosamine + 2,6-bis(N-acetyl-beta-D-glucosaminyl)-alpha-D-mannosyl-R UDP + 2,4,6-tris(N-acetyl-beta-D-glucosaminyl)-alpha-D-mannosyl-R

R represents the remainder of the N-linked oligosaccharide in the glycoprotein acceptor.

References

  1. ^ Brockhausen I, Hull E, Hindsgaul O, Schachter H, Shah RN, Michnick SW, Carver JP (July 1989). "Control of glycoprotein synthesis. Detection and characterization of a novel branching enzyme from hen oviduct, UDP-N-acetylglucosamine:GlcNAc beta 1-6 (GlcNAc beta 1-2)Man alpha-R (GlcNAc to Man) beta-4-N-acetylglucosaminyltransferase VI". The Journal of Biological Chemistry. 264 (19): 11211–21. PMID  2525556.
  2. ^ Taguchi T, Ogawa T, Inoue S, Inoue Y, Sakamoto Y, Korekane H, Taniguchi N (October 2000). "Purification and characterization of UDP-GlcNAc: GlcNAcbeta 1-6(GlcNAcbeta 1-2)Manalpha 1-R [GlcNAc to Man]-beta 1, 4-N-acetylglucosaminyltransferase VI from hen oviduct". The Journal of Biological Chemistry. 275 (42): 32598–602. doi: 10.1074/jbc.m004673200. PMID  10903319.

External links

From Wikipedia, the free encyclopedia
Alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase
Identifiers
EC no. 2.4.1.201
CAS no. 119699-68-2
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Search
PMC articles
PubMed articles
NCBI proteins

Alpha-1,6-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase ( EC 2.4.1.201, N-acetylglucosaminyltransferase VI, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase VI, uridine diphosphoacetylglucosamine-glycopeptide beta-1->4-acetylglucosaminyltransferase VI, mannosyl-glycoprotein beta-1,4-N-acetylglucosaminyltransferase, GnTVI) is an enzyme with systematic name UDP-N-acetyl-D-glucosamine:2,6-bis(N-acetyl-beta-D-glucosaminyl)-alpha-D-mannosyl-glycoprotein 4-beta-N-acetyl-D-glucosaminyltransferase. [1] [2] This enzyme catalyses the following chemical reaction

UDP-N-acetyl-D-glucosamine + 2,6-bis(N-acetyl-beta-D-glucosaminyl)-alpha-D-mannosyl-R UDP + 2,4,6-tris(N-acetyl-beta-D-glucosaminyl)-alpha-D-mannosyl-R

R represents the remainder of the N-linked oligosaccharide in the glycoprotein acceptor.

References

  1. ^ Brockhausen I, Hull E, Hindsgaul O, Schachter H, Shah RN, Michnick SW, Carver JP (July 1989). "Control of glycoprotein synthesis. Detection and characterization of a novel branching enzyme from hen oviduct, UDP-N-acetylglucosamine:GlcNAc beta 1-6 (GlcNAc beta 1-2)Man alpha-R (GlcNAc to Man) beta-4-N-acetylglucosaminyltransferase VI". The Journal of Biological Chemistry. 264 (19): 11211–21. PMID  2525556.
  2. ^ Taguchi T, Ogawa T, Inoue S, Inoue Y, Sakamoto Y, Korekane H, Taniguchi N (October 2000). "Purification and characterization of UDP-GlcNAc: GlcNAcbeta 1-6(GlcNAcbeta 1-2)Manalpha 1-R [GlcNAc to Man]-beta 1, 4-N-acetylglucosaminyltransferase VI from hen oviduct". The Journal of Biological Chemistry. 275 (42): 32598–602. doi: 10.1074/jbc.m004673200. PMID  10903319.

External links


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