2.4.2.2 40 - purified recombinant enzyme, pH 8.5, 1 h, 90% activity remaining 758958 2.4.2.2 45 - purified recombinant enzyme, pH 8.5, 1 h, 80% activity remaining 758958 2.4.2.2 50 - purified recombinant enzyme, pH 8.5, 1 h, 43.7% activity remaining 758958 2.4.2.2 50 - purified recombinant enzyme, pH 8.5, 1 h, 49.6% activity remaining 758958 2.4.2.2 50 - purified recombinant enzyme, pH 8.5, 1 h, 52.1% activity remaining 758958 2.4.2.2 50 - purified recombinant enzyme, pH 8.5, 1 h, 65.6% activity remaining 758958 2.4.2.2 50 - purified recombinant enzyme, pH 8.5, 1 h, 75% activity remaining 758958 2.4.2.2 55 - purified recombinant enzyme, pH 8.5, 1 h, 70% activity remaining 758958 2.4.2.2 60 - 60 min, stable 639637 2.4.2.2 60 - purified enzyme, half-life is over 16 h 758850 2.4.2.2 60 - purified recombinant enzyme, pH 8.5, 1 h, 10% activity remaining 758958 2.4.2.2 60 - stable below 489698 2.4.2.2 70 - half-life 1.6 h 723005 2.4.2.2 70 - half-life: 25 min in 20 mM potassium phosphate, 15.1 h in 20 mM potassium phosphate and 1 mM 5-methyluridine 639641 2.4.2.2 70 - purified enzyme, half-life is 1.6 h 758850 2.4.2.2 70 - purified enzyme, half-life is 23 min in the presence of 20 mM potassium phosphate and 1 mM inosine, and 15.1 h in the presence of 20 mM potassium phosphate and 1 mM 5-methyluridine 758850 2.4.2.2 80 - 1 h, 20 mM potassium phosphate, complete inactivation 639641 2.4.2.2 80 - purified enzyme, half-life is over 23 h 758850