3.4.21.25 20 50 the enzyme remains stable for 2 h at 20-50°C. After 2 h at 60, 70, 80, and 90°C, the enzyme shows about 80%, 68%, 15% and 5% residual activity, respectively. The enzyme shows half-lives of 123, 104, 87, 64 and 32 min at 35°C, 40°C, 45°C, 50°C, and 55°C, respectively 753831 3.4.21.25 20 60 fairly stable at pH 7.1 up to 95358 3.4.21.25 20 60 stable up to 60°C 95351 3.4.21.25 20 70 between 20°C and 65°C for 1 h more than 90% activity, 2.5fold and 5fold higher stability at 70°C compared to the activities at 37°C and 20°C, respectively, activity rapidly decreases at temperatures higher than 80°C 670521 3.4.21.25 20 70 the enzyme shows more than 90% activity up to 60°C for 30 min. 87% of activity is observed at 70°C when incubated for 30 min 732844 3.4.21.25 25 - 20 h at a pH of 11, 80% of the activity 95357 3.4.21.25 37 - 24 h, 80% of the activity remains 95357 3.4.21.25 47 - 20 min at a pH of 11, no loss of activity 95357 3.4.21.25 50 - the 54000 Da enzyme stable up to 95354 3.4.21.25 60 - 1 h at a pH of 11, 65% of the activity 95357