Msp I

Enzyme name Msp I
Prototype HpaII
Known analogs BsiSI, HapII, Hpa II
SKU SE-E091
Turbo version Available
High-concentration version Not available
Restriction type Type IIPiType IIP enzymes are classical Type II restriction enzymes with palindromic recognition sequences and symmetric cleavage sites.
Recognition site
5'… C▼CGG …3'
3'… GGC▲C …5'
Source Moraxella species
Optimal buffer SE-buffer B (10 mM Tris-HCl (pH 7.6 at 25°C); 10 mM MgCl2; 1 mM DTT.)
Optimal temperature 37 °C
Inactivation temperature 65 °C
Buffer activity
BGOWYROSE
10075507575100
Unit definition One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA in 1 hour at 37°C in a total reaction volume of 50 μl.
Assayed on Lambda DNA
Storage conditions 10 mM Tris-HCl (pH 7.5); 50 mM KCl; 0,1 mM EDTA; 7 mM 2-mercaptoethanol; 200 μg/ml BSA; 50% glycerol; Store at -20°C.
Ligation After 20-fold overdigestion with enzyme more than 95% of the DNA fragments can be ligated and recut.
Nonspecific hydrolysis No nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 40 u.a. of enzyme for 16 hours at 37°C.
Methylation sensitivity Blocked by methylation: 5`-(5mC)CGG-3`/ 3`-GGC(5mC)-5`.
Reagents supplied with enzyme 10 X SE-buffer B
Notes
References
  5. External publication Waalwijk, C., Flavell, R.A. Nucl. Acids Res.5: 3231-3236 (1978).
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