evaluated(8) coronavirus(5) receptor(5) active site(4) metabolism(4) clinical utility(4) the binding affinity(4) SARS-CoV-2 protease(4) Density functional theory(4) COVID-19(4) Cys145(4) inhibitor(4) glycosylation(4) aliphatic(4) Strains(4) Immunoglobulin(4) enthalpy(4) AutoDock(4) Structure(4) docking(4) function(4) treated(4) binding modes(4) SARS-CoV-2 main protease(4) Regulation(4) activate(4) sugar(4) structure activity relationship(4) free energy(4) Future(4)