N-acetyl-beta-D-glucosaminide beta-(1,3)-galactosyltransferase activity https://github.com/geneontology/go-ontology/issues/29103 GO:0008499 EC:2.4.1.86 UDP-galactose beta-N-acetylglucosamine beta-1,3-galactosyltransferase activity MetaCyc:2.4.1.86-RXN Reactome:R-HSA-9845516 Catalysis of the reaction: an N-acetyl-beta-D-glucosaminyl derivative + UDP-alpha-D-galactose = a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl derivative + H+ + UDP. beta-1,3-GalTase activity Reactome:R-HSA-9603989 RHEA:16045 beta3Gal-Ts activity UDP-galactose:beta-N-acetylglucosamine beta-1,3-galactosyltransferase activity UDP-Gal:beta-GlcNAc beta-1,3-galactosyltransferase activity molecular_function RHEA:53432 UDP-galactosyltransferase activity beta-1,3-galactosyltransferase activity