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Title: Junctional and allele-specific residues are critical for MERS-CoV neutralization by an exceptionally potent germline-like antibody

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms9223· OSTI ID:1214653
 [1];  [2];  [3];  [4];  [2];  [2];  [4];  [5];  [6];  [2];  [4]
  1. Fudan Univ., Shanghai (China). Shanghai Medical College
  2. National Inst. of Health (NIH), Frederick, MD (United States). National Cancer Inst.
  3. New York Blood Center, New York, NY (United States). Lindsley F. Kimball Research Inst.
  4. National Inst. of Health (NIH), Bethesda, MD (United States). National Inst. of Allergy and Infectious Diseases
  5. Fudan Univ., Shanghai (China). Shanghai Medical College; National Inst. of Health (NIH), Frederick, MD (United States). National Cancer Inst.
  6. Fudan Univ., Shanghai (China). Shanghai Medical College; New York Blood Center, New York, NY (United States). Lindsley F. Kimball Research Inst.

The MERS-CoV is an emerging virus, which already infected more than 1,300 humans with high (~36%) mortality. Here, we show that m336, an exceptionally potent human anti-MERS-CoV antibody, is almost germline with only one somatic mutation in the heavy chain. The structure of Fab m336 in complex with the MERS-CoV receptor-binding domain reveals that its IGHV1-69-derived heavy chain provides more than 85% binding surface and that its epitope almost completely overlaps with the receptor-binding site. Analysis of antibodies from 69 healthy humans suggests an important role of the V(D)J recombination-generated junctional and allele-specific residues for achieving high affinity of binding at such low levels of somatic hypermutation. Our results also have important implications for development of vaccine immunogens based on the newly identified m336 epitope as well as for elucidation of mechanisms of neutralization by m336-like antibodies and their elicitation in vivo.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
W-31-109-ENG-38
OSTI ID:
1214653
Journal Information:
Nature Communications, Vol. 6; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 90 works
Citation information provided by
Web of Science

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Cited By (35)

Introduction of neutralizing immunogenicity index to the rational design of MERS coronavirus subunit vaccines journal November 2016
Cryo-EM structures of MERS-CoV and SARS-CoV spike glycoproteins reveal the dynamic receptor binding domains journal April 2017
Glycan shield and epitope masking of a coronavirus spike protein observed by cryo-electron microscopy journal September 2016
Structural definition of a neutralization epitope on the N-terminal domain of MERS-CoV spike glycoprotein journal July 2019
A novel non-enzymatic hydrolytic probe for dipeptidyl peptidase IV specific recognition and imaging journal January 2018
Structure–function analyses of a stereotypic rheumatoid factor unravel the structural basis for germline-encoded antibody autoreactivity journal March 2018
MERS-CoV spike protein: a key target for antivirals journal December 2016
Antibodies and vaccines against Middle East respiratory syndrome coronavirus journal January 2019
Recombinant Receptor-Binding Domains of Multiple Middle East Respiratory Syndrome Coronaviruses (MERS-CoVs) Induce Cross-Neutralizing Antibodies against Divergent Human and Camel MERS-CoVs and Antibody Escape Mutants journal October 2016
A broadly neutralizing germline-like human monoclonal antibody against dengue virus envelope domain III journal June 2019
High-Throughput Sequencing-Based Immune Repertoire Study during Infectious Disease journal August 2016
Insights into the Structural Basis of Antibody Affinity Maturation from Next-Generation Sequencing journal February 2018
Engineering a Novel Antibody-Peptide Bispecific Fusion Protein Against MERS-CoV journal November 2019
A Human DPP4-Knockin Mouse’s Susceptibility to Infection by Authentic and Pseudotyped MERS-CoV journal August 2018
Advances in MERS-CoV Vaccines and Therapeutics Based on the Receptor-Binding Domain journal January 2019
Potent binding of 2019 novel coronavirus spike protein by a SARS coronavirus-specific human monoclonal antibody text January 2020
Development of a Phage Display Panning Strategy Utilizing Crude Antigens: Isolation of MERS-CoV Nucleoprotein human antibodies journal April 2019
Potent binding of 2019 novel coronavirus spike protein by a SARS coronavirus-specific human monoclonal antibody text January 2020
Potent binding of 2019 novel coronavirus spike protein by a SARS coronavirus-specific human monoclonal antibody journal January 2020
Molecular aspects of MERS-CoV journal May 2017
The prevalence, origin, and prevention of six human coronaviruses journal February 2016
MERS-CoV spike protein: Targets for vaccines and therapeutics journal September 2016
Efficacy of antibody-based therapies against Middle East respiratory syndrome coronavirus (MERS-CoV) in common marmosets journal July 2017
Structural Definition of a Unique Neutralization Epitope on the Receptor-Binding Domain of MERS-CoV Spike Glycoprotein journal July 2018
A Potent Germline-like Human Monoclonal Antibody Targets a pH-Sensitive Epitope on H7N9 Influenza Hemagglutinin journal October 2017
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Characterization and bioactivity of self-assembled anti-angiogenic chondroitin sulphate-ES2-AF nanoparticle conjugate

journal April 2019
Toward Developing a Preventive MERS-CoV Vaccine—Report from a Workshop Organized by the Saudi Arabia Ministry of Health and the International Vaccine Institute, Riyadh, Saudi Arabia, November 14–15, 2015 journal August 2016
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