Leu293, Ser297, Lys300, Val289, Asp287, Phe306, Thr33, Asn606, Thr602  –72.42  –62.92  –9.5  0  Val722, Thr724, Ile726, Ile934, Ser937, Leu938, Thr941, Ala944, Ser943, Ile726
Table 8.  Binding energies of WS phytoconstituents with papain like protease of SARS-CoV-2 (PDB ID: 6W9C) in comparison to the FDA