EC Number |
Storage Stability |
---|
4.3.1.1 | -20°C, pH 7.0, 2% 2-mercaptoethanol, several months, no loss of activity |
4.3.1.1 | -20°C, stable for 1 month |
4.3.1.1 | -20°C, stable for a few weeks |
4.3.1.1 | -20°C, stable for several months |
4.3.1.1 | -70°C stable over 3 months |
4.3.1.1 | -70°C, stable for 1 month without addition of salts or glycerol |
4.3.1.1 | 2-mercaptoethanol and dithiothreitol protect enzyme against inactivation during storage |
4.3.1.1 | 4C, in the presence of various salts thiol compounds, or glycerol stable for 2 weeks |
4.3.1.1 | 4°C, loss of activity after 1 month independently of the presence of glycerol or MgCl2 |
4.3.1.1 | enzyme activity can be maintained by freezing up to 6 months in the ammonium sulfate precipitate |