SARS-CoV-2(18) target(14) Complexes(14) Spike protein(14) Protein(14) DNA(12) complexes(11) aptamer(10) molecular(10) variants(10) the spike protein(9) FIVE(9) Evidence(9) COVID-19(9) Interaction(9) Gamma(7) eight(7) experiment(7) experiments(7) Sequence alignment(7) variant(7) Omicron variants(7) high affinity(7) produced(7) Beta(7) variants of concern.(7) spike(7) Proteins(7) followed by(7) S1 domain(7)