Fig. 3From: Analysis of the efficacy of HIV protease inhibitors against SARS-CoV-2′s main proteaseDetermination of IC50 in cell culture. Relative activity (%) is plotted on the left Y axis versus logarithmic transformation of the inhibitor's concentration (nM). Percentage of cytotoxicity is plotted on the right Y axis. Error bars represent SD (n = 3)Back to article page