COVID-19(9) SARS-CoV-2(7) Analysis(6) binding(6) docking(5) disease(5) virus(5) feature(5) protease(4) molecular docking analysis(4) 2019-nCoV(4) Patient(4) responsible(3) Treatment(3) Corona(3) pandemic(3) 2019 novel coronavirus(3) effective(3) affected(3) the SARS-CoV-2(3) molecular docking(3) receptor(3) Vaccine(3) caused(2) sequence(2) molecular(2) country(2) protocol(2) S protein(2) drug(2)