...DNAs: Lentiviral Packaging plasmid(s), Envelope plasmid, and Transfer plasmid encoding your insert of interest...transfection plasmids into OptiPro SFM: Reagent Amount per 10 cm dish* Packaging Plasmid ( psPAX2 ) 1.3...1.3 pmol Envelope Plasmid ( pMD2.G ) 0.72 pmol Transfer Plasmid* 1.64 pmol OptiPro SFM to total volume...volume 500 μL *Plasmid concentrations and ratios should be optimized for each transfer plasmid. Pro-Tip Endotoxins...therefore, plasmid DNA purification should include an endotoxin removal step. For high quality plasmid DNA, ... cm dish). Using transfer plasmid pHAGE TRE dCas9-KRAB (total μg of plasmid DNA 27.8 μg), this would be..., the plasmids should also be propagated in an endonuclease negative E. coli strain such as NEB stable...