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DraI (AhaIII)
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DraI is a restriction enzyme which recognizes the following sequence:
TTT▼AAA
AAA▲TTT |
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Concentration
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10u/μl
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Reaction condition |
Recommended Buffer: Buffer B+
10mM Tris-HCl (pH 7.5), 10mM MgCl2, and 0.1mg/ml BSA. |
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Incubation temperature: 37°C |
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Thermal inactivation: 65°C |
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Source
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Deinococcus radiophilus.
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Frequency of Cutting
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| λ | Ad-2 | ΦX174 | pUC18 | M13mp18 | pBR322 |
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| 13 | 12 | 2 | 3 | 5 | 3 |
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Storage
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-20°C
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Storage
buffer
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10mM Tris-HCl (pH 7.5
at 25°C), 50mM KCl, 1mM DTT, 0.1mM EDTA, 0.2mg/ml
BSA and 50% glycerol
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Ligation
and Recleavage
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After 50-fold overdigestion
with DraI, approximately more than 90% of the DNA fragments
can be ligated and recut
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Methylation
Effect
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DraI does not cuts TTTAm6A. Blocked by overlapping EcoKI methylation
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