3.4.23.31	Ac-pepstatin	benzyloxycarbonyl-Gly-Leu-Ala-Ala as substrate	92181	
3.4.23.31	alpha-Microbial alkaline proteinase inhibitor	weak	98880	
3.4.23.31	angiotensin I	-	690	
3.4.23.31	Benzyloxycarbonyl-Gly-Pro-Phe-Leu-Ala	benzyloxycarbonyl-Gly-Leu-Ala-Ala as substrate	92642	
3.4.23.31	benzyloxycarbonyl-Phe	benzyloxycarbonyl-Gly-Leu-Ala-Ala as substrate	2723	
3.4.23.31	Benzyloxycarbonyl-Phe-D-Leu-Ala-Ala	benzyloxycarbonyl-Gly-Leu-Ala-Ala as substrate	92673	
3.4.23.31	Benzyloxycarbonyl-Phe-Leu	benzyloxycarbonyl-Gly-Leu-Ala-Ala as substrate	3065	
3.4.23.31	Benzyloxycarbonyl-Phe-Leu-Ala	benzyloxycarbonyl-Gly-Leu-Ala-Ala as substrate	9117	
3.4.23.31	I2	-	2846	
3.4.23.31	KMnO4	weak	2083