Evidence-Based Complementary and Alternative Medicine / 2020 / Article / Fig 2

Research Article

Tea Polyphenols EGCG and Theaflavin Inhibit the Activity of SARS-CoV-2 3CL-Protease In Vitro

Figure 2

Expression of SARS-CoV-2 3CL-protease. (a) Purification of SARS-CoV-2 3CL-protease. Whole cell lysate (WCL), soluble fraction (soluble), and purified 3CL-protease protein (purified) in the presence or absence of IPTG were subject to SDS-PAGE. (b) Measurement of the protease activity of SARS-CoV-2 3CL-protease. AU, arbitrary unit.

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