4.6.1.21	55	-	for 15 min, 100% activity	134568	
4.6.1.21	65	-	for 15 min, 78-80% activity depending on purification procedure	134568	
4.6.1.21	75	-	for 15 min, 53-57% activity depending on purification procedure	134568	
4.6.1.21	85	-	for 15 min, 18-20% activity depending on purification procedure	134568	
4.6.1.21	100	-	for 15 min, total loss of activity	134568