25
-
1 month, less than 20% loss of activity
70
-
10 min, loss of activity
30
-
15 min, 60% loss of activity
50
-
30 min, 90% loss of activity
45
-
50% loss of activity after 1 h
80
-
complete loss of activity after 5 min, activity is retained after 10 min in presence of 1.0 M phosphate buffer
50
-
immobilized and free enzyme fully stable
50
-
irreversible inactivation above
65
-
pH 7.0, 30 min, 70% loss of activity