Cited by 8,897SARS-CoV-2 and COVID-19 ResearchAdvanced Electron Microscopy Techniques and ApplicationsAnimal Virus Infections Studies

Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation

Open access
Wrapp, Daniel, Wang, Nianshuang, Corbett, Kizzmekia S., Goldsmith, Jory A., Hsieh, Ching-Lin, Abiona, Olubukola, Graham, Barney S., McLellan, Jason S.·2020·Science

Published version of a preprint

Abstract

The outbreak of a novel coronavirus (2019-nCoV) represents a pandemic threat that has been declared a public health emergency of international concern. The CoV spike (S) glycoprotein is a key target for vaccines, therapeutic antibodies, and diagnostics. To facilitate medical countermeasure development, we determined a 3.5-angstrom-resolution cryo–electron microscopy structure of the 2019-nCoV S trimer in the prefusion conformation. The predominant state of the trimer has one of the three receptor-binding domains (RBDs) rotated up in a receptor-accessible conformation. We also provide biophysical and structural evidence that the 2019-nCoV S protein binds angiotensin-converting enzyme 2 (ACE2) with higher affinity than does severe acute respiratory syndrome (SARS)-CoV S. Additionally, we tested several published SARS-CoV RBD-specific monoclonal antibodies and found that they do not have appreciable binding to 2019-nCoV S, suggesting that antibody cross-reactivity may be limited between the two RBDs. The structure of 2019-nCoV S should enable the rapid development and evaluation of medical countermeasures to address the ongoing public health crisis.

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Crossref · 10.1126/science.abb2507

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Authors
Wrapp, D., Wang, N., Corbett, K. S., Goldsmith, J. A., Hsieh, C.-L., Abiona, O., Graham, B. S., & McLellan, J. S.
Affiliations
  • The University of Texas at Austin (US)
  • National Institutes of Health (US)
Corresponding author
McLellan, Jason S.
Venue
Science
Published
2020-03-13
Volume
367
Issue
6483
Pages
1260-1263
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W3007643904
Cited by
8,897
References
42
Citations by year
2026: 220 · 2025: 378 · 2024: 570 · 2023: 894 · 2022: 1482 · 2021: 2591 · 2020: 2749 · 2019: 3 · 2017: 1 · 2015: 1 · 2012: 1
FWCI
252.13
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Science (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (submittedVersion, cc-by)
Funders
National Institute of Allergy and Infectious Diseases (R01-AI127521)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Structural Biology › Advanced Electron Microscopy Techniques and Applications
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
Keywords
SARS-CoV-2, receptor binding domain, ACE2 binding affinity, antibody cross-reactivity
MeSH terms
Protein Domains, Betacoronavirus, Receptors, Coronavirus, Angiotensin-Converting Enzyme 2, SARS-CoV-2, Antibodies, Monoclonal, Antibodies, Viral, Cross Reactions, Image Processing, Computer-Assisted, Peptidyl-Dipeptidase A, Models, Molecular, Protein Binding, Protein Conformation, Receptors, Virus, Cryoelectron Microscopy, Severe acute respiratory syndrome-related coronavirus, Protein Multimerization, Spike Glycoprotein, Coronavirus

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