Purified recombinant protein of S. pyogenes Cas9 endonuclease (Cas9) containing Simian virus 40 (SV40) T antigen nuclear localization sequence (NLS) on the N- and C- termini of the protein., with N-terminal HIS tag, expressed in E.coli, sterile-filtered, suitable for cell culture
> 90% as determined by SDS-PAGE and Coomassie blue staining
Buffer
10 mM Tris-HCl, pH 7.4, 300 mM NaCl, 0.1 mM EDTA, 1 mM DTT, 50% glycerol
Bioactivity
In vitro digestion of a DNA fragment with the recombinant S.pyrogene Cas9 nuclease (Cat# TP790148). The input DNA is XmnI-linearized vector (PS100074) was cleaved by with a synthetic sgRNA.
Endotoxin
< 0.5 EU per 1 µg of the protein by the LAL
Note
For testing in cell culture applications, please filter before use. Note that you may experience some loss of protein during the filtration process.
Storage
Store at -20°C.
Stability
Stable for 12 months from the date of receipt of the product under proper storage and handling conditions. Avoid repeated freeze-thaw cycles.
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