SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain

Abstract The COVID-19 pandemic and SARS-CoV-2 variants have dramatically illustrated the need for a better understanding of antigen (epitope)-antibody (paratope) interactions. To gain insight into the immunogenic characteristics of epitopic sites (ES), we systematically investigated the structures o...

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Main Authors: Jiansheng Jiang, Christopher T. Boughter, Javeed Ahmad, Kannan Natarajan, Lisa F. Boyd, Martin Meier-Schellersheim, David H. Margulies
Format: Article
Language:English
Published: Nature Portfolio 2023-09-01
Series:Communications Biology
Online Access:https://doi.org/10.1038/s42003-023-05332-w
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author Jiansheng Jiang
Christopher T. Boughter
Javeed Ahmad
Kannan Natarajan
Lisa F. Boyd
Martin Meier-Schellersheim
David H. Margulies
author_facet Jiansheng Jiang
Christopher T. Boughter
Javeed Ahmad
Kannan Natarajan
Lisa F. Boyd
Martin Meier-Schellersheim
David H. Margulies
author_sort Jiansheng Jiang
collection DOAJ
description Abstract The COVID-19 pandemic and SARS-CoV-2 variants have dramatically illustrated the need for a better understanding of antigen (epitope)-antibody (paratope) interactions. To gain insight into the immunogenic characteristics of epitopic sites (ES), we systematically investigated the structures of 340 Abs and 83 nanobodies (Nbs) complexed with the Receptor Binding Domain (RBD) of the SARS-CoV-2 spike protein. We identified 23 distinct ES on the RBD surface and determined the frequencies of amino acid usage in the corresponding CDR paratopes. We describe a clustering method for analysis of ES similarities that reveals binding motifs of the paratopes and that provides insights for vaccine design and therapies for SARS-CoV-2, as well as a broader understanding of the structural basis of Ab-protein antigen (Ag) interactions.
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spelling doaj.art-a054579999df4ca3962667ef9a71ae442023-11-20T10:36:38ZengNature PortfolioCommunications Biology2399-36422023-09-016111510.1038/s42003-023-05332-wSARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domainJiansheng Jiang0Christopher T. Boughter1Javeed Ahmad2Kannan Natarajan3Lisa F. Boyd4Martin Meier-Schellersheim5David H. Margulies6Molecular Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHComputational Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHMolecular Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHMolecular Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHMolecular Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHComputational Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHMolecular Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIHAbstract The COVID-19 pandemic and SARS-CoV-2 variants have dramatically illustrated the need for a better understanding of antigen (epitope)-antibody (paratope) interactions. To gain insight into the immunogenic characteristics of epitopic sites (ES), we systematically investigated the structures of 340 Abs and 83 nanobodies (Nbs) complexed with the Receptor Binding Domain (RBD) of the SARS-CoV-2 spike protein. We identified 23 distinct ES on the RBD surface and determined the frequencies of amino acid usage in the corresponding CDR paratopes. We describe a clustering method for analysis of ES similarities that reveals binding motifs of the paratopes and that provides insights for vaccine design and therapies for SARS-CoV-2, as well as a broader understanding of the structural basis of Ab-protein antigen (Ag) interactions.https://doi.org/10.1038/s42003-023-05332-w
spellingShingle Jiansheng Jiang
Christopher T. Boughter
Javeed Ahmad
Kannan Natarajan
Lisa F. Boyd
Martin Meier-Schellersheim
David H. Margulies
SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
Communications Biology
title SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
title_full SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
title_fullStr SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
title_full_unstemmed SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
title_short SARS-CoV-2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
title_sort sars cov 2 antibodies recognize 23 distinct epitopic sites on the receptor binding domain
url https://doi.org/10.1038/s42003-023-05332-w
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