3.5.5.5	2	-	no activity at pH 2	684655	
3.5.5.5	5.5	-	purified recombinant enzyme, room temperature, 2 h, 10% activity remaining	718670	
3.5.5.5	6.5	-	half-life 36 min	667345	
3.5.5.5	6.5	-	purified recombinant enzyme, room temperature, 2 h, 50% activity remaining	718670	
3.5.5.5	6.5	9	purified recombinant enzyme, room temperature, 2 h, 80-100% activity remaining	718670	
3.5.5.5	7	-	half-life 110 min	667345	
3.5.5.5	7	10	purified recombinant enzyme, room temperature, 2 h, 90-100% activity remaining	718670	
3.5.5.5	7.5	-	half-life 87 min	667345	
3.5.5.5	7.6	-	35 h, about 50% loss of activity	756265	
3.5.5.5	8	-	12 h, about 50% loss of activity	756265