3.4.22.53	Z-Val-Phe-CHO	i.e. MDL-28710m, 1.0 microM	63135	
3.4.22.53	Zn2+	5 mM, inhibits in presence of 5 mM Ca2+	14	
3.4.22.53	Zn2+	5 mM, completely blocks activation of the enzyme by Ca2+	14	
3.4.22.53	Zn2+	5 mM	14	
3.4.22.53	Zn2+	2.5 mM, complete	14