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EC Number
Storage Stability
-20°C, shows no appreciable loss of activity within 1 month
4°C, 50 mM Tris-HCl, pH 7.5, pure enzyme retains 63% original activity after 2 weeks
4°C, enzyme lost about 50% activity after 24 h, essentially all activity lost after 48 h
4°C, enzyme lost about 50% activity after 24 h, no activity remains after 24 h
4°C, in presence of 5 mM mercaptoethanol, reasonably stable, retains 47% of its activity after 3 months, freezing inactivates the enzyme, less than 30% recovery of activity after 1 freeze-thaw cycle
4°C, reasonably stable, retains 55% of its activity after 3 weeks
4°C, stable for several days, may be kept for months without significant loss of activity if frozen
4°C, stable for some hours at pH 5.5-9.5
4°C, very unstable, 50% of activity lost on storage for 24 h or 24 h at room temperature
4°C,50 mM phosphate buffer pH 7.5, pure enzyme retains 13% original activity after 2 weeks
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