Recognition sequence: 5′-C/C(A,T)(T,A)GG-3′ Ligation and recutting results: After 2-10-fold Sty I overdigestion of 1 μg λ DNA substrate, results in 100% cutting, >95% of fragments can be ligated, and >95% recut. Heat inactivation: Inactivated at 65 °C for 15 minutes.
Other Notes
Supplied with 10x Restriction Endonuclease Buffer SH (B3657).
Physical form
Solution in 20 mM Tris-HCl, pH 7.5, 0.1 mM EDTA, 50 mM KCl, 10 mM 2-mercaptoethanol, 0.1% gelatine (v/v), 0.01% polydocanol (v/v), 50% glycerol (v/v) at 4 °C
A new restriction endonuclease, StyI, free of contaminating nuclease activities, has been isolated from Escherichia coli carrying the hsd+ miniplasmid of Salmonella typhi origin. In the presence of 10 mM Mg2+, it recognizes and cleaves a hexanucleotide sequence of 5'-C
The properties and sources of all known restriction endonucleases and methylases are listed. The enzymes are cross-indexed (Table I), classified according to their recognition sequence homologies (Table II), and characterized within Table II by the cleavage and methylation positions, the
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