Reaction: UDP-N-acetyl-D-glucosamine + β-D-galactosyl-(1→4)-N-acetyl-β-D-glucosaminyl-(1→3)-β-D-galactosyl-(1→4)-β-D-glucosylceramide = UDP + N-acetyl-D-glucosaminyl-1,3-β-D-galactosyl-(1→4)-N-acetyl-β-D-glucosaminyl-(1→3)-β-D-galactosyl-(1→4)-β-D-glucosylceramide
For diagram of reaction click here.
Other name(s): uridine diphosphoacetylglucosamine-acetyllactosaminide β1→3-acetylglucosaminyltransferase; poly-N-acetyllactosamine extension enzyme; UDP-N-acetyl-D-glucosamine:β-D-galactosyl-1,4-N-acetyl-β-D-glucosaminyl-1,3-β-D-galactosyl-1,4-β-D-glucosylceramide β-1,3-acetylglucosaminyltransferase
Systematic name: UDP-N-acetyl-D-glucosamine:β-D-galactosyl-1,4-N-acetyl-β-D-glucosaminyl-1,3-β-D-galactosyl-1,4-β-D-glucosylceramide β-1,3-acetylglucosaminyltransferase
Comments: Requires Mn2+.
Links to other databases: BRENDA, EXPASY, KEGG, CAS registry number: 85638-39-7
References:
1. Basu, M. and Basu, S. Biosynthesis in vitro of Ii core glycosphingolipids from neolactotetraosylceramide by β1-3- and β1-6-N-acetylglucosaminyltransferases from mouse T-lymphoma. J. Biol. Chem. 259 (1984) 12557-12562. [PMID: 6238026]