3.4.22.53	48.5	-	10 min, 50% loss of activity	644031	
3.4.22.53	54	-	pH 7.5, 10 min, 50% loss of activity	643981	
3.4.22.53	55	-	10 min, in absence of Ca2+, about 10% loss of activity	644027	
3.4.22.53	58	-	10 min, complete inactivation	643977, 643987	
3.4.22.53	60	-	10 min, complete loss of activity	643988	
3.4.22.53	60	-	10 min, in absence of Ca2+, about 90% loss of activity	644027	
3.4.22.53	61	-	10 min, 50% loss of activity	644031