Reaction catalyzed by N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase (2.4.1.149)
+
=
+
UDP-N-acetyl-D-glucosamine
+
Galbeta(1->3)[GlcNAcbeta(1->6)]GalNAcalpha-OCH(CH3)CH(NH2)CO2H
=
UDP
+
GlcNAcbeta(1->3)Galbeta(1->3)[GlcNAcbeta(1->6)]GalNAcalpha-OCH(CH3)CH(NH2)CO2H