3.4.24.20	3	11	1 h, stable at 37°C, azocoll as substrate	
3.4.24.20	4	9	18 h, 10% loss of caseinolytic activity at 4°C	
3.4.24.20	4	7	18 h stable at 37°C, azocoll as substrate	
3.4.24.20	5	10	18 h, about 20% loss of activity at 4°C	
3.4.24.20	7.2	-	3 h, stable at 70°C and below, 40% loss of activity at 80°C, inactivation within 30 min at 100°C	
3.4.24.20	9	-	3 h, about 30%, 55% and 90% loss of activity at 50°C, 60°C and 70°C, respectively