3.4.21.50	25	37	assay at	
3.4.21.50	30	-	assay at	
3.4.21.50	37	-	assay at	
3.4.21.50	40	-	-	
3.4.21.50	50	-	amidolytic activity, esterolytic activity and caseinolytic activity	
3.4.21.50	50	-	hydrolysis of benzoyl-Lys-p-nitroanilide