Reaction catalyzed by papain-like proteinase 2 (3.4.22.B50)

	ubiquitin-7-amido-4-trifluoromethylcoumarin	+		H2O	=			+
	ubiquitin-7-amido-4-trifluoromethylcoumarin	+		H2O	=		ubiquitin	+		7-amino-4-trifluoromethylcoumarin