Evidence map›Paper›PMID 33077685›Full record

ArticleMolecular & cellular proteomics : MCP2021

Site-specific N-glycosylation Characterization of Recombinant SARS-CoV-2 Spike Proteins.

Yong Zhang, Wanjun Zhao, Yonghong Mao, Yaohui Chen, Shisheng Wang, Yi Zhong, Tao Su, Meng Gong, Dan Du, Xiaofeng Lu and 2 more

Abstract read
In one paragraph

Article in Molecular & cellular proteomics : MCP, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 106 papers.

0numbers the graph read from it
0cells of the map it votes in
106citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

106 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. ACS pharmacology & translational science · 2025
    Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Review
  18. Efficient Expression inMolecules (Basel, Switzerland) · 2024
    Article
  19. Article
  20. Article

46 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Yong ZhangKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu, China.
Wanjun ZhaoDepartment of Thyroid Surgery, West China Hospital, Sichuan University, Chengdu, China.
Yonghong MaoDepartment of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China.
Yaohui ChenDepartment of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China.
Shisheng WangKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu, China.
Yi ZhongKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.
Tao SuKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.
Meng GongKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu, China.
Dan DuKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.
Xiaofeng LuKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu, China.
Jingqiu ChengKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu, China. Electronic address: jqcheng@scu.edu.cn.
Hao YangKey Laboratory of Transplant Engineering and Immunology, Ministry of Health, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China; Regenerative Medical Research Center, West China Hospital, Sichuan University, Chengdu, China. Electronic address: yanghao@scu.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The glycoprotein spike (S) on the surface of severe acute respiratory syndrome coronavirus (SARS-CoV-2) is a determinant for viral invasion and host immune response. Herein, we characterized the site-specific N-glycosylation of S protein at the level of intact glycopeptides. All 22 potential N-glycosites were identified in the S-protein protomer and were found to be preserved among the 753 SARS-CoV-2 genome sequences. The glycosites exhibited glycoform heterogeneity as expected for a human cell-expressed protein subunit. We identified masses that correspond to 157 N-glycans, primarily of the complex type. In contrast, the insect cell-expressed S protein contained 38 N-glycans, completely of the high-mannose type. Our results revealed that the glycan types were highly determined by the differential processing of N-glycans among human and insect cells, regardless of the glycosites' location. Moreover, the N-glycan compositions were conserved among different sizes of subunits. Our study indicates that the S protein N-glycosylation occurs regularly at each site, albeit the occupied N-glycans were diverse and heterogenous. This N-glycosylation landscape and the differential N-glycan patterns among distinct host cells are expected to shed light on the infection mechanism and present a positive view for the development of vaccines and targeted drugs.

Indexed as

AnimalsGlycosylationHumansInsectaPolysaccharidesRecombinant ProteinsSpike Glycoprotein, CoronavirusTandem Mass SpectrometryPolysaccharidesRecombinant ProteinsSpike Glycoprotein, Coronavirusspike protein, SARS-CoV-2mass spectrometryN-glycosylationSARS-CoV-2spike protein

Identifiers

PMID33077685
PMCPMC7876485

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.