Reaction catalyzed by alpha-N-acetylglucosaminidase (3.2.1.50)

	2-nitrophenyl alpha-N-acetylglucosaminide	+		H2O	=			+
	2-nitrophenyl alpha-N-acetylglucosaminide	+		H2O	=		2-nitrophenol	+		alpha-N-acetylglucosamine