| Recognition site | TAC↑GTA
ATG↓CAT |
| Source | Bacillus stearothermophilus SN |
| Assayed on | T7 DNA |
| Unit definition | One unit of the enzyme is the amount required to hydrolyze 1 μg of T7 DNA in 1 hour at 37°C in a total reaction volume of 50 μl. |
| Optimal SE-buffer | B (10 mM Tris-HCl (pH 7.6 at 25°C); 10 mM MgCl2; 1 mM DTT.) |
| Enzyme activity (%) | | B | G | O | W | Y | R | | 100 | 50 - 75 | 0 - 10 | 10 - 25 | 50 - 75 | 50 |
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| Optimal temperature | 37oC |
| Storage conditions | 10 mM Tris-HCl (pH 7.5); 250 mM NaCl; 0.1 mM EDTA; 100 μg/ml BSA; 7 mM 2-mercaptoethanol; 50% glycerol. Store at 20°C. |
| Ligations | After 5-fold overdigestion with enzyme about 70% of the DNA fragments can be ligated and recut. |
| Non-specific hydrolisis | No nonspecific activity was detected after incubation of 1 μg of T7 DNA with 5 u.a. of enzyme for 16 hours at 37°C.
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| Reagents Supplied with Enzyme |
10 X SE-buffer B |
| Methylation sensitivity | not tested |
| Inactivation 20 minutes under | 80oC |
| Notes | High enzyme concentration results in star activity |
| MSDS: | Download MSDS as PDF |
| References: | Myakisheva, T.V., Dedkov, V.S., Kileva, E.V., Abdurashitov, M.A., Shevchenko, A.V., Degtyarev, S.K. Unpublished observations (1995).
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Theoretical diagrams of DNA digestion by this enzyme for the most known DNA substrates:
To view the fragments length values please point mouse cursor over diagram |
M - ladder, 1 - Adeno-2 DNA, 2 - Lambda DNA, 3 - T7 DNA, 4 - pUC19, 5 - pBR322
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