Biology:Acetylgalactosaminyl-O-glycosyl-glycoprotein b-1,6-N-acetylglucosaminyltransferase

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Short description: Class of enzymes
Acetylgalactosaminyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase
Identifiers
EC number2.4.1.148
CAS number95978-15-7
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Acetylgalactosaminyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase (EC 2.4.1.148 with systematic name UDP-N-acetyl-D-glucosamine:N-acetyl-beta-D-glucosaminyl-(1->3)-N-acetyl-D-galactosaminyl-R 6-beta-N-acetyl-D-glucosaminyltransferase.[1] This enzyme catalyses the following chemical reaction

UDP-N-acetyl-D-glucosamine + N-acetyl-beta-D-glucosaminyl-(1->3)-N-acetyl-D-galactosaminyl-R [math]\displaystyle{ \rightleftharpoons }[/math] UDP + N-acetyl-beta-D-glucosaminyl-(1->6)-[N-acetyl-beta-D-glucosaminyl-(1->3)]-N-acetyl-D-galactosaminyl-R

Nomenclature

Acetylgalactosaminyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase is also known as O-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase IV, uridine diphosphoacetylglucosamine-mucin beta(1->6)-acetylglucosaminyltransferase B, core 4 beta6-GalNAc-transferase, core 6beta-GalNAc-transferase B, UDP-N-acetyl-D-glucosamine:O-oligosaccharide-glycoprotein (N-acetyl-D-glucosamine to N-acetyl-D-galactosamine of N-acetyl-beta-D-glucosaminyl-1,3-N-acetyl-D-galactosaminyl-R) beta-1,6-N-acetyl-D-glucosaminyltransferase).

See also

  • EC 2.4.1.102 (beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase)
  • EC 2.4.1.146 (beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,3-N-acetylglucosaminyltransferase)
  • EC 2.4.1.147 (acetylgalactosaminyl-O-glycosyl-glycoprotein beta-1,3-N-acetylglucosaminyltransferase).

References

  1. "The separation by liquid chromatography (under elevated pressure) of phenyl, benzyl, and O-nitrophenyl glycosides of oligosaccharides. Analysis of substrates and products for four N-acetyl-D-glucosaminyl-transferases involved in mucin synthesis". Carbohydrate Research 120: 3–16. August 1983. doi:10.1016/0008-6215(83)88002-1. PMID 6226356. 

External links