N-acetyllactosaminide beta-1,6-N-acetylglucosaminyltransferase activity
n-acetyllactosaminide beta-1,6-n-acetylglucosaminyltransferase activity
Catalysis of the reaction: a beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosaminyl derivative + UDP-N-acetyl-alpha-D-glucosamine = an N-acetyl-beta-D-glucosaminyl-1,6-beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosaminyl derivative + UDP + H+.