...μg pLKO.1 shRNA plasmid 750 ng psPAX2 packaging plasmid 250 ng pMD2.G envelope plasmid to 20 μl serum-...to vary the ratio of shRNA plasmid, packaging plasmid, and envelope plasmid to obtain the ratio that gives...scrambled shRNA. psPAX2 Packaging plasmid for producing viral particles. pMD2.G Envelope plasmid for producing... also be used with packaging plasmid pCMV-dR8.2 dvpr and envelope plasmid pCMV-VSVG from Robert Weinberg....1 Protocol pLKO.1 - TRC Cloning Vector Addgene Plasmid 10878. Protocol Version 1.0. December 2006. Copyright... RNAi Consortium A.2 Map of pLKO.1 A.3 Related plasmids B. Designing shRNA Oligos for pLKO.1 B.1 Determine...Puromycin resistance gene for selection of pLKO.1 plasmid in mammalian cells. sin 3’LTR 3’ Self-inactivating...

...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 pmol...pmol Envelope Plasmid ( pMD2.G ) 0.72 pmol Transfer Plasmid* 1.64 pmol OptiPro SFM to total volume 500...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...