4.4.1.15 50 - The enzyme is found to be very stable with almost 80% of its activity still remaining at 50°C 4.4.1.15 60 - no loss of activity within 30 min incubation, 0.1 M phosphate buffer, pH 8.0 4.4.1.15 65 - 11% loss of activity within 30 min incubation, 0.1 M phosphate buffer, pH 8.0 4.4.1.15 70 - 24% loss of activity within 30 min incubation, 0.1 M phosphate buffer, pH 8.0 4.4.1.15 75 - 40% loss of activity within 30 min incubation, 0.1 M phosphate buffer, pH 8.0