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. 2022 Apr 4;221:115824. doi: 10.1016/j.poly.2022.115824

Fig. 3.

Fig. 3

Fig. 3

(A) 3D interaction diagram of L44 with the main protease of COVID-19. (B) and (C) 2D interaction diagram diagram of L44 with the protease. π–sulfur, and π–cation are indicated. Hydrogen-bonding and hydrophobic interactions between L44 and 6LU7 in the binding site are marked with green and red dotted lines, respectively.