3.2.2.8 45 - for 10 min at pH 5.0, 50% of activity remains 137117 3.2.2.8 45 - for 10 min at pH 7.0-9.2, more than 90% of activity remains 137117 3.2.2.8 50 - for 90 min, 10% of activity remains 137114 3.2.2.8 55 - after 2 min: all of the uridine-cleaving activity and 62% of the inosine-cleaving activity remains 137116 3.2.2.8 60 - for 15 min, 60% denaturation 137117 3.2.2.8 70 - for 5 min at pH 8.0, complete inactivation 137117 3.2.2.8 90 - 1 h, stable 679803 3.2.2.8 100 - half-life: 37 min 679803 3.2.2.8 108 - no thermal unfolding transition can be obtained up to 108°C 726441