This plasmid is very low copy and may require longer incubation times
Low Copy
We inserted the 7xTCF/LEF promoter cassette from the M50 Super-TOP flash plasmid (Randall Moon) into the pRRLSIN.cPPT.PGK-GFP.WPRE vector (Didier Trono), replacing the PGK promoter.
Please acknowledge the principal investigator and cite this article if you use
this plasmid in a publication. Also, please include the text "Addgene plasmid
35489" in your Materials and Methods section.