1.2.1.4	7	9.5	Tm of wild-type enzyme	
1.2.1.4	50	-	stable up to	
1.2.1.4	60	-	loss of activity above	
1.2.1.4	72.5	-	Tm of mutant D176S/S206K/M262I/W271Y/W275V	
1.2.1.4	78.5	-	Tm of mutant D176S/S206K/M262I