3.1.14.1 additional information - NaCl and KCl might protect from heat denaturation at 52°C 134105 3.1.14.1 40 - several h under toluene, pH 7.5 134098 3.1.14.1 50 - 10 min, less than 10% loss of activity 134105 3.1.14.1 60 - remaining activity after heating at 60°C for 90 min at pH 5.4 30%, at pH 7.0 40%, at pH 9.0 50% 134103 3.1.14.1 70 - 2 min, complete inactivation 134105 3.1.14.1 80 - almost no activity 134106