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Enzyme is active in presence of EDTA.
| Unit definition | One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA (HindIII-digest) in 1 hour at 37°C in a total reaction volume of 50 μl. |
| Recognition sites | ACTGGG(N)5↑ |
| Source | Bacillus megaterium S87 |
| Assayed on | Lambda DNA |
| Optimal buffer | Y (33 mM Tris-acetate (pH 7.9 at 25°C); 10 mM magnesium acetate; 66 mM potassium acetate; 1 mM DTT.) |
| Optimal temperature | 37°C |
| Storage conditions | 10 mM Tris-HCl (pH 7.5); 250 mM NaCl; 0.1 mM EDTA; 7 mM 2-mercaptoethanol; 50% glycerol. Store at -20°C |
| Ligations | After 2-fold overdigestion with enzyme about 75% of the DNA fragments can be ligated and 95% may be recut. |
| Non-specific hydrolisis | Overnight digest with BmuI is not recommended. A 50 μl reaction containing 1 μg of Lambda DNA and 0.5 units of enzyme incubated for 4 hours resulted in the same pattern of DNA bands as a reaction incubated for 1 hour. |
| Methlation effect | Methylation sensitivity not tested |
| Thermal inactivation | enzyme is inactivated by incubation at 65°C for 20 mins. |
| Campatible Ends | BfiI , BmrI |
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