1.1.2.4	45	-	30 min, about 10% loss of activity	684629	
1.1.2.4	55	-	10 min, about 90% loss of activity	684629	
1.1.2.4	60	-	rapid inactivation above	655064	
1.1.2.4	75	-	2 min,about 90% loss of activity	684629