sp358, Tyr360, Phe391, Gly404, Glu403, Asn406, Pro407  –101.28  –85.24  –16.04  0  Asp121, Leu122, Thr92, Trp220, Glu123, Arg124, Ala89, Ile88, Pro519, Tyr62, Ser517, Tyr135, Ile204   
Table 6.  Binding energies of WS phytoconstituents with SARS-CoV spike glycoprotein (PDB ID: 5WRG) in comparison to the FDA approved standard reference drugs (Arbidol and Hydroxychloroquine).