Reaction catalyzed by neolactotriaosylceramide beta-1,4-galactosyltransferase (2.4.1.275)

		+			=			+
	UDP-alpha-D-galactose	+		1-O-benzyl 6-O-beta-D-GlcpNAC-beta-D-GlypNAc	=		UDP	+		1-O-benzyl 4-O-beta-D-Galp-6-O-beta-D-GlcpNAC-beta-D-GlcpNAc