4.39  –9.49  0  Arg275, Gly274, Gly273, Trp217, Thr220, Asn221, Gly271, Lys270, Thr222, Arg267, Leu263
Table 10.  Binding energies of WS phytoconstituents with SARS-CoV-2 main protease/3CL-pro (PDB ID: 6LU7) in comparison to the FDA