Reaction catalyzed by beta-N-acetylhexosaminidase (3.2.1.52)

		+		H2O	=			+
	p-nitrophenyl-2-acetamido-2-deoxy-beta-D-galactopyranoside	+		H2O	=		p-nitrophenol	+		2-acetamido-2-deoxy-beta-D-galactopyranose