label: lactosylceramide 1,3-N-acetyl-beta-D-glucosaminyltransferase activity
label_lc: lactosylceramide 1,3-n-acetyl-beta-d-glucosaminyltransferase activity
description: "Catalysis of the reaction: a beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E)) + UDP-N-acetyl-alpha-D-glucosamine = a beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E)) + H+ + UDP."