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. 2021 May 26;9(6):557. doi: 10.3390/vaccines9060557

Table 2.

Binding site and mechanism of action of SARS-CoV-2 specific mAbs discussed in this review.

Groups of Specific mAbs Name Binding Site and Mechanism of Action
MAbs isolated from SARS-CoV-2 patients B5 SARS-CoV-2 RBD; partial competition with ACE2
B38 SARS-CoV-2 RBD; complete competition with ACE2
H2 SARS-CoV-2 RBD; no competition with ACE2
H4 SARS-CoV-2 RBD; complete competition with ACE2
EY6A SARS-CoV-2 RBD and SARS-CoV RBD with lower affinity; site spatially separate from that of ACE2
MAbs that cross-neutralize SARS-CoV and SARS-CoV-2 47D11 SARS-CoV-2 and SARS-CoV RBD; conserved epitope in the RBD
CR3022 SARS-CoV RBD and SARS-CoV-2 RBD with lower affinity; conserved epitope in the RBD. Do not neutralize SARS-CoV-2
MAbs that have received Emergency Use Authorization (EUA) Bamlanivimab (LY-CoV555) SARS-CoV-2 RBD; EUA revoked
Casirivimab (REGN10933) and imdevimab (REGN10987) in a combined therapy Non-overlapping epitopes of the SARS-CoV-2 RBD
Bamlanivimab (LY-CoV555) and etesevimab (LY-CoV016) in a combined therapy Different, but overlapping, epitopes of the SARS-CoV-2 RBD