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

		+			=			+
	UDP-galactose	+		1-O-(1-methylumbellifer-7-yl) beta-D-GlcpNAc	=		UDP	+		1-O-(1-methylumbellifer-7-yl) 4-O-beta-D-Galp-beta-D-GlcpNAc