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. 2021 Sep 12;1248:131481. doi: 10.1016/j.molstruc.2021.131481

Fig. 2.

Fig. 2

Interactions established after docking the (A) 5, (B) 4, (C) 35, (D) 24, (E) 15, and (F) 19 against SARS-CoV-2 .Inhibitors are in green, while the active protein site pockets are light blue. The dotted lines illustrate various interactions between 19 and the active site residues, which including hydrogen bond (green), π–anion (Orange), π– π (Purple) and π–alkyl (pink) interactions.