EOG81C9B3 GO:0008532 2/13 N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase activity molecular_function "Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + beta-D-galactosyl-1,4-N-acetyl-D-glucosaminyl-R = UDP + N-acetyl-beta-D-glucosaminyl-1,3-beta-D-galactosyl-1,4-N-acetyl-D-glucosaminyl-R." [EC:2.4.1.149] EOG81C9B3 GO:0016757 1/13 transferase activity, transferring glycosyl groups molecular_function "Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor)." [GOC:jl, ISBN:0198506732]