3.5.1.40	1,10-phenanthroline	84% inhibition at 50 mM	62	
3.5.1.40	benzoyl-L-Arg-ethylester	Ki: 3.6 mM	47617	
3.5.1.40	benzoyl-L-Arg-NH2	Ki: 5 mM	9468	
3.5.1.40	Co2+	74% inhibition at 10 mM	23	
3.5.1.40	Ni2+	85% inhibition at 10 mM	38	
3.5.1.40	p-chloromercuribenzoic acid	77% inhibition at 0.1 mM, restored by addition of cysteine or 2-mercaptoethanol	614	
3.5.1.40	Zn2+	95% inhibition at 10 mM	14