A purified truncated form of yeast Gal4 expressed in Escherichia coli and used to functionalize poly(lactic acid) nanoparticle surface is transcriptionally active in cellulo.

Legaz S, Exposito JY, Borel A, Candusso MP, Megy S, Montserret R, Lahaye V, Terzian C, Verrier B
Protein Expr Purif. 2015 Sep;113:94-101. doi: 10.1016/j.pep.2015.05.009. Epub 2015 May 19. PubMed Article

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