3.4.22.43	0.00000034	-	mutant N64A cystatin M/E	pH 5.5, 22°C	669460	
3.4.22.43	0.00000047	-	wild-type cystatin M/E	pH 5.5, 22°C	669460	
3.4.22.43	0.0102	-	cathepsin V propeptide	varying concentrations tested	683207	
3.4.22.43	0.0000000072	-	fragment p41 of major histocompatibility complex class II-associated invariant chain	pH 6.0, 25°C	698753	
3.4.22.43	0.00000025	-	VBY-825	apparent value, in 50 mM MES pH 6.5, 2.5 mM DTT, 2.5 mM EDTA, 100 mM NaCl, 0.01% (w/v) bovine serum albumin, and 10% (v/v) DMSO, at 25°C	707590	
3.4.22.43	0.00000008	-	clitocypin	pH and temperature not specified in the publication	709133	
3.4.22.43	0.00000069	-	macrocypin-1	pH and temperature not specified in the publication	709133	
3.4.22.43	0.00000047	-	cystatin M/E	pH and temperature not specified in the publication	709405	
3.4.22.43	0.0002	-	citibrasine	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.0005	-	1,3,5-trihydroxy-4-methoxy-10-methyl-2,8-bis(3-methylbut-2-enyl)acridin-9(10H)-one	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.001	-	citrusinine-I	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.0011	-	glycocitrine-IV	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.0012	-	1,3,5-trihydroxy-2,8-bis(3-methylbut-2-enyl)-10-methyl-9-acridone	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.0017	-	3,4-dihydro-3,5,8-trihydroxy-6-methoxy-2,2,7-trimethyl-2H-pyrano[2,3-a]acridin-12(7H)-one	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.0042	-	citrusinine-II	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.0044	-	2,3-dihydro-4,9-dihydroxy-2-(2-hydroxy-propan-2-yl)-11-methoxy-10-methylfuro[3,2-b]acridin-5(10H)-one	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374	
3.4.22.43	0.01	-	glycocitrine-I	in 100 mM sodium acetate buffer (pH 5.5) containing 5 mM EDTA and 5 mM dithioerythritol, at 27°C	717374