Reaction catalyzed by 1,3-beta-galactosyl-N-acetylhexosamine phosphorylase (2.4.1.211)

		+		H2O	=			+
	beta D-galactosido-(1,3)-N-acetylgalactosamine	+		H2O	=		alpha-D-galactose-1-phosphate	+		GalNAc