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EC Number
Storage Stability
-20°C crude enzyme is stable for 4 weeks, repeated freezing and thawing destroy the activity
-20°C, 0.005 M dithiothreitol, enzymatic activity is stable for many weeks
-20°C, 20 mM Tris-HCl, pH 7.5, 1 mM DDT, 1 mM EDTA, 20% glycerol, enzyme retains full activity for at least 1 month, 80% of activity lost in absence of glycerol
-20°C, 20% glycerol appears to be necessary to prevent inactivation from occuring after freezing and thawing
-20°C, 50 mM phosphate buffer pH7.5 after 1 month pure enzyme retains 70% original activity
-20°C, 50 mM Tris-HCl, pH7.5, after 1 month pure enzyme retains 80% original activity
-20°C, 50% glycerol, very stable, litle loss of enzymatic activity after 1 year
-20°C, enzyme lost about 50% activity after 24 h, essentially all activity lost after 48 h
-20°C, enzyme lost about 50% activity after 24 h, no activity remains after 24 h
-20°C, preparations kept 4 months retains original activity
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