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Fig. 5 | Virology Journal

Fig. 5

From: Inhibition of enterovirus 71 replication and viral 3C protease by quercetin

Fig. 5

The inhibitory effect of quercetin on EV71 3Cpro activity. The synthetic peptide substrate containing Gln-Gly pairs corresponding to the cleavage site by 3Cpro was designed as substrate for EV71 3Cpro. Various concentrations of quercetin were incubated with 3C protease and the fluorogenic peptides substrate at 37 °C. The data of three independent experiments are presented as the mean ± the standard deviation. **P < 0.01, compared with 3Cprocontrol

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