3.2.2.3	50	-	in absence of substrate, 15 min, stable	326393	
3.2.2.3	55	-	10 min, stable up to	326399	
3.2.2.3	58	-	10 min, 40% loss of activity	326399	
3.2.2.3	60	-	in absence of substrate, 15 min, 50% loss of activity	326393	
3.2.2.3	65	-	10 min, complete inactivation	326399