SARS-CoV-2(52) Protein(32) antibody(23) variant(22) COVID-19(21) Viral(18) COVID-19 pandemic(18) spike(17) virus(14) Interaction(13) Analysis(12) coronavirus(11) Infection(11) Mutation(11) impacted(10) SARS-CoV-2 variant(10) analyzed(10) changes in(10) effort(9) binding(9) glycosylation(9) caused(9) ACE2(9) develop(9) Genome(9) substitutions(9) specificity(9) Abstract(9) S protein(9) Substitution(9)