5.3.1.7 35 - pH 7.5, 10 min, stable below 650629 5.3.1.7 40 - immobilized enzyme loses 46% of its activity after 4 d, soluble enzyme loses 45% of its activity after 4 d 2803 5.3.1.7 50 - pH 7.0, 10 min, stable 2805 5.3.1.7 55 - pH 7.5, 10 min, about 10% loss of activity 650629 5.3.1.7 60 - pH 7.0, 10 min, about 50% loss of activity 2805 5.3.1.7 60 - pH 7.5, 10 min, about 40% loss of activity 650629 5.3.1.7 61.4 - melting temperature 747953 5.3.1.7 70 - half-life 5.64 h 749201 5.3.1.7 70 - pH 7.5, 10 min, complete loss of activity 650629 5.3.1.7 75 - pH 7.0, 10 min, about 80% loss of activity 2805