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. 2022 Apr 22;611:190–194. doi: 10.1016/j.bbrc.2022.04.086

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Fig. 1 — Comparison of the binding pocket of M^profrom different CoVs. (A) Surface of SARS-CoV M^pro. Baicalein is shown in purple. Oxygen atoms are shown in red. (B) Surface of SARS-CoV-2 M^pro. Baicalein is shown in green. Oxygen atoms are shown in red. (C) The structure of baicalein. (D) Alignment of the M^pro of SARS-CoV and SARS-CoV-2. The conserved precent has been shown orange (100),blue (≥50). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)