KEGG   ENZYME: 2.4.1.138Help
Entry
EC 2.4.1.138                Enzyme                                 

Name
mannotetraose 2-alpha-N-acetylglucosaminyltransferase;
alpha-N-acetylglucosaminyltransferase;
uridine diphosphoacetylglucosamine mannoside alpha1->2-alphacetylglucosaminyltransferase;
UDP-N-acetyl-D-glucosamine:mannotetraose alpha-N-acetyl-D-glucosaminyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
UDP-N-acetyl-D-glucosamine:alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-(1->2)-D-mannose alpha-N-acetyl-D-glucosaminyltransferase
Reaction(IUBMB)
UDP-N-acetyl-D-glucosamine + (1->3)-alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-D-mannose = UDP + (1->3)-alpha-D-mannosyl-(1->2)-(N-acetyl-alpha-D-glucosaminyl-alpha-D-mannosyl)-(1->2)-alpha-D-mannosyl-D-mannose [RN:R04619 R06014]
Reaction(KEGG)
Substrate
UDP-N-acetyl-D-glucosamine [CPD:C00043];
(1->3)-alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-D-mannose
Product
UDP [CPD:C00015];
(1->3)-alpha-D-mannosyl-(1->2)-(N-acetyl-alpha-D-glucosaminyl-alpha-D-mannosyl)-(1->2)-alpha-D-mannosyl-D-mannose
History
EC 2.4.1.138 created 1984
Reference
1  [PMID:6211189]
  Authors
Douglas RH, Ballou CE.
  Title
Purification of an alpha-N-acetylglucosaminyltransferase from the yeast Kluyveromyces lactis and a study of mutants defective in this enzyme activity.
  Journal
Biochemistry. 21 (1982) 1561-70.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
81032-47-5

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