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Modeling study suggests how different SARS-CoV-2 mutations prevent antibody binding Using three classes of antibodies, researchers modeled their binding to the SARS-CoV-2 virus spike protein. They found binding to key residues in current mutations changes how the spike protein moves and can lead to binding resistance. The spike protein of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) adopts several conformations when it binds to host receptors. Antibodies against the virus often compete with the host receptors to bind to the spike protein and interfere with the processes that change the spike protein conformation. Some antibodies can bind to different parts of the spike protein simultaneously, providing a more potent neutralizing capacity. Class I antibodies have a considerable overlap with the angiotensin-converting enzyme 2 (ACE2) receptor and bind when the receptor-binding domain (RBD) is in the open or up conformation.

Lakshmi supriyaPhd aprArs cov 2Ngiotensin converting enzyme 2Coronavirus disease covid 19Evere acute respiratoryEvere acute respiratory syndromeSpike proteinலட்சுமி சுப்ரியாஃப்ட் ஏப்ரல்