Details for beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,3-N-acetylglucosaminyltransferase activity
2.4.1.146Gene ontology ID
GO:0047223
Definition
Catalysis of the reaction: beta-D-galactosyl-1,3-(N-acetyl-D-glucosaminyl-1,6)-N-acetyl-D-galactosaminyl-R + UDP-N-acetyl-D-glucosamine = N-acetyl-beta-D-glucosaminyl-1,3-beta-D-galactosyl-1,3-(N-acetyl-beta-D-glucosaminyl-1,6)-N-acetyl-D-galactosaminyl-R + UDP
Synonyms
1. elongation 3-beta-GalNAc-transferase activity
2. elongation 3beta-GalNAc-transferase activity
3. O-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase II activity
4. UDP-N-acetyl-D-glucosamine:O-glycosyl-glycoprotein (N-acetyl-D-glucosamine to -D-galactose of beta-D-galactosyl-1,3-(N-acetyl-D-glucosaminyl-1,6)-N-acetyl-D-galactosaminyl-R) beta-1,3-N-acetyl-D-glucosaminyltransferase activity
5. uridine diphosphoacetylglucosamine-mucin beta(1->3)-acetylglucosaminyltransferase (elongating)
References
1. EC 2.4.1.1462. MetaCyc 2.4.1.146-RXN3. Reactome: R-HSA-5617037 "POMGNT1 transfers GlcNAc from UDP-GlcNAc to Man-O-Ser-DAG1"
4. Reactome: R-HSA-5617096 "Defective POMGNT1 does not transfer GlcNAc from UDP-GlcNAc to Man-O-Ser-DAG1"
5. RHEA: 12227
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