EC Number   |
Storage Stability |
|---|
    2.7.1.21 | -20°C, 0.1 mM thymidine, 1 week, 30% loss of activity |
| 2.7.1.21 | -20°C, 20 h |
| 2.7.1.21 | -20°C, 50 mM Tris-HCl buffer, pH 8.0, 10 mM 2-mercaptoethanol, 20% glycerol, 100 mM KCl, 6 months, 20% loss of activity |
| 2.7.1.21 | -20°C, 50% glycerol, relatively stable |
| 2.7.1.21 | -20°C, enzyme in buffer containing 250 mM imidazole, several months, without noticeable loss of activity |
| 2.7.1.21 | -20°C, or 4°C, 24 h, more than 50% loss of activity |
| 2.7.1.21 | -70°C, 0.2 mM deoxythymidine, 3 mM dithiothreitol, 10% glycerol |
| 2.7.1.21 | -70°C, 10 mM 2-mercaptoethanol, 0.5 mg/ml bovine serum albumin, several months |
| 2.7.1.21 | -70°C, stable for several months |
| 2.7.1.21 | -80°C, 2 weeks, no loss of activity in presence of digitonin |
