3.4.21.99	5-pyrrolidone-2-carboxyl-Leu-DL-arginal	0.01 mM, 25% inhibition	102309	
3.4.21.99	antipain	-	520	
3.4.21.99	Aprotinin	weak	405	
3.4.21.99	benzamidine	-	579	
3.4.21.99	benzyloxycarbonyl-Val-Pro-Arg-H	-	129790	
3.4.21.99	dansyl-Leu-DL-arginal	0.01 mM, 24% inhibition	102673	
3.4.21.99	dansyl-Val-Pro-Arg-H	-	129791	
3.4.21.99	diisopropyl fluorophosphate	-	244	
3.4.21.99	EGTA	-	173	
3.4.21.99	Gly-Val-Arg-CH2Cl	-	102846	
3.4.21.99	Hg2+	1 mM, strong inhibition	33	
3.4.21.99	HgCl2	-	110	
3.4.21.99	leupeptin	weak	217	
3.4.21.99	N-acetyl-Leu-Leu-arginal	-	31856	
3.4.21.99	N-acetyl-Leu-Leu-arginal	i.e. leupeptin, 0.01 mM, 55% inhibition	31856	
3.4.21.99	N-benzoyl-Leu-arginal	0.01 mM, 15% inhibition	103139	
3.4.21.99	N-benzyloxycarbonyl-Phe-Leu-arginal	0.01 mM, 93% inhibition	103149	
3.4.21.99	N-benzyloxycarbonyl-Val-Pro-arginal	0.01 mM, 99% inhibition	103151	
3.4.21.99	o-nitrophenyl-Leu-arginal	0.01 mM, 52% inhibition	103368	
3.4.21.99	ovomucoid	-	4087	
3.4.21.99	p-aminobenzamidine	-	2863	
3.4.21.99	p-nitrobenzyl-Leu-arginal	0.01 mM, 26% inhibition	103404	
3.4.21.99	peptidyl-Arg-H	-	129788	
3.4.21.99	phenylmethanesulfonyl fluoride	-	827	
3.4.21.99	Pro-Leu-arginal	0.01 mM, 27% inhibition	103553	
3.4.21.99	Soybean trypsin inhibitor	-	544	
3.4.21.99	Soybean trypsin inhibitor	weak	544	
3.4.21.99	Val-Pro-Arg-CH2Cl	-	129789	
3.4.21.99	Zn2+	1 mM, strong inhibition	14	
3.4.21.99	ZnCl2	-	271