Omicron spike, cryo-electron microscopy, x-ray crystallography, fusion peptide, immune evasion, neutralizing antibodies, conformational change
HIV vaccine, broadly neutralizing antibodies, rhesus macaques, CD4 binding site
SARS-CoV-2 spike, Omicron BA.2, cryo-electron microscopy, Receptor binding domain, fusion peptide, immune evasion
XBB.1.5, XBB.1.16, EG.5, vaccine booster, conformational change, virus evolution, allostery, Receptor Binding Domain, thermostability, Cryo-EM