3.4.22.B50 37 - thermolabil, significantly reduced activity after incubation at temperatures higher than 37°C for 30 min 667619 3.4.22.B50 40 80 after 10 incubation, the enzyme shows 100% activity between 40 and 55°C, about 97% activity at 60°C, about 65% activity at 70°C, 50% activity at 72°C, about 25% activity at 75°C, and no activity at 80°C 732725