Abstract:Recurrent spillovers of α- and β-coronaviruses (CoV) such as acute respiratory syndrome (SARS)-CoV, Middle East respiratory syndrome (MERS)-CoV, SARS-CoV-2, and possibly human CoV (NL63, 229E, OC43, and HKU1) have caused serious morbidity and mortality worldwide. Six receptor binding domains (RBDs) derived from α- and β-CoV that are considered to have originated from animals and cross-infected humans were linked to proliferating cell nuclear antigen (PCNA) heterotrimeric subunits, PCNA1, PCNA2, and PCNA3. Thes… Show more
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