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Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Science 2021 ; 372 (6546): 1108-1112 Nephropedia Template TP
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Prevalent, protective, and convergent IgG recognition of SARS-CoV-2 non-RBD spike epitopes #MMPMID33947773
Voss WN; Hou YJ; Johnson NV; Delidakis G; Kim JE; Javanmardi K; Horton AP; Bartzoka F; Paresi CJ; Tanno Y; Chou CW; Abbasi SA; Pickens W; George K; Boutz DR; Towers DM; McDaniel JR; Billick D; Goike J; Rowe L; Batra D; Pohl J; Lee J; Gangappa S; Sambhara S; Gadush M; Wang N; Person MD; Iverson BL; Gollihar JD; Dye JM; Herbert AS; Finkelstein IJ; Baric RS; McLellan JS; Georgiou G; Lavinder JJ; Ippolito GC
Science 2021[Jun]; 372 (6546): 1108-1112 PMID33947773show ga
The molecular composition and binding epitopes of the immunoglobulin G (IgG) antibodies that circulate in blood plasma after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are unknown. Proteomic deconvolution of the IgG repertoire to the spike glycoprotein in convalescent subjects revealed that the response is directed predominantly (>80%) against epitopes residing outside the receptor binding domain (RBD). In one subject, just four IgG lineages accounted for 93.5% of the response, including an amino (N)-terminal domain (NTD)-directed antibody that was protective against lethal viral challenge. Genetic, structural, and functional characterization of a multidonor class of "public" antibodies revealed an NTD epitope that is recurrently mutated among emerging SARS-CoV-2 variants of concern. These data show that "public" NTD-directed and other non-RBD plasma antibodies are prevalent and have implications for SARS-CoV-2 protection and antibody escape.