Reaction catalyzed by blood-group-substance endo-1,4-beta-galactosidase (3.2.1.102)

		+		H2O	=			+
	Galbeta1-6GlcNAcbeta1-3Galbeta1-4Glcbeta-p-nitrophenol	+		H2O	=		Galbeta1-6GlcNAcbeta1-3Galbeta	+		Glcbeta-p-nitrophenol