Reaction catalyzed by glycosylceramidase (3.2.1.62), cellulose 1,4-beta-cellobiosidase (reducing end) (3.2.1.176)

		+		H2O	=			+
	2-chloro-4-nitrophenyl beta-cellobioside	+		H2O	=		2-chloro-4-nitrophenol	+		beta-cellobiose