Reaction catalyzed by N-acetyl-beta-D-glucosaminide beta-(1,3)-galactosyltransferase (2.4.1.86)

		+			=			+
	UDP-alpha-D-galactose	+		N-acetyl-beta-D-glucosaminyl-R	=		UDP	+		beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-R