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Effect of rTat-LacI on β-galactosidase induction. Peptide-PMO conjugates rTat-LacI, rTat-LacI-scr, or 3′KFC-LacI were added at 0 μM (light solid bar), 10 μM (dark solid bar), 20 μM (diagonal striped bar), or 40 μM (horizontal striped bar) to growing cultures of E. coli SM105. After 24 h, the OD and β-galactosidase activity of each culture were measured. Error bars indicate standard deviations of the results of two experiments.
