3D pictures representing the binding interactions and positioning of the tested natural compounds (1–6) inside both S and Mpro pockets of the SARS-CoV-2, besides the N3 inhibitor of Mpro (redocked, 7)a.
| Comp. | 3D interactions | 3D protein positioning | |
|---|---|---|---|
| 1 | S |
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| Mpro |
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| 2 | S |
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| Mpro |
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| 3 | S |
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| Mpro |
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| 4 | S |
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| Mpro |
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| 5 | S |
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| Mpro |
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| 6 | S |
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| Mpro |
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| N3, 7 | Mpro |
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H-bonds were represented by red dashed lines while H-pi bonds by black ones.