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
Species Streptococcus Pyogenes
Expression Host E. coli
Concentration 10 uM
Purity > 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
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.
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