Evidence map›Paper›PMID 32532817›Full record

ArticleThe Journal of biological chemistry2020

T cell receptor interactions with human leukocyte antigen govern indirect peptide selectivity for the cancer testis antigen MAGE-A4.

Charlotte H Coles, Catriona McMurran, Angharad Lloyd, Miriam Hock, Linda Hibbert, Marine C C Raman, Conor Hayes, Patrick Lupardus, David K Cole, Stephen Harper

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
1.6field-weighted citation impact, top 16% of its field
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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 30 citations in OpenAlex.

  1. Pooled it
  2. International journal of molecular sciences · 2026
    Article
  3. Article
  4. Computational identification of cross-reactive TCR epitopes with ARDitox.Journal of cancer research and clinical oncology · 2025
    Article
  5. Article
  6. Article
  7. Review
  8. Review
  9. Epigenetic Factors and ncRNAs in Testicular Cancer.International journal of molecular sciences · 2023
    Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. TCR Recognition of Peptide-MHC-I: Rule Makers and Breakers.International journal of molecular sciences · 2020
    Review
  18. Review
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

10 authors at 1 institution in 1 country.

Charlotte H ColesImmunocore Ltd., Abingdon, United Kingdom.ORCID 0000-0003-4525-7144
Catriona McMurranImmunocore Ltd., Abingdon, United Kingdom.
Angharad LloydImmunocore Ltd., Abingdon, United Kingdom.ORCID 0000-0003-4569-9276
Miriam HockImmunocore Ltd., Abingdon, United Kingdom.
Linda HibbertImmunocore Ltd., Abingdon, United Kingdom.
Marine C C RamanImmunocore Ltd., Abingdon, United Kingdom.
Conor HayesImmunocore Ltd., Abingdon, United Kingdom.
Patrick LupardusGenentech, Inc., South San Francisco, California, USA.
David K ColeImmunocore Ltd., Abingdon, United Kingdom stephen.harper@immunocore.com david.cole@immunocore.com.
Stephen HarperImmunocore Ltd., Abingdon, United Kingdom stephen.harper@immunocore.com david.cole@immunocore.com.
Immunocore (United Kingdom) · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

T cell-mediated immunity is governed primarily by T cell receptor (TCR) recognition of peptide-human leukocyte antigen (pHLA) complexes and is essential for immunosurveillance and disease control. This interaction is generally stabilized by interactions between the HLA surface and TCR germline-encoded complementarity-determining region (CDR) loops 1 and 2, whereas peptide selectivity is guided by direct interactions with the TCR CDR3 loops. Here, we solved the structure of a newly identified TCR in complex with a clinically relevant peptide derived from the cancer testis antigen melanoma antigen-A4 (MAGE-A4). The TCR bound pHLA in a position shifted toward the peptide's N terminus. This enabled the TCR to achieve peptide selectivity via an indirect mechanism, whereby the TCR sensed the first residue of the peptide through HLA residue Trp-167, which acted as a tunable gateway. Amino acid substitutions at peptide position 1 predicted to alter the HLA Trp-167 side-chain conformation abrogated TCR binding, indicating that this indirect binding mechanism is essential for peptide recognition. These findings extend our understanding of the molecular rules that underpin antigen recognition by TCRs and have important implications for the development of TCR-based therapies.

Indexed as

Antigens, NeoplasmCrystallography, X-RayHLA-A2 AntigenHumansModels, MolecularNeoplasm ProteinsPeptidesProtein ConformationReceptors, Antigen, T-Cell, alpha-betaAntigens, NeoplasmHLA-A*02:01 antigenHLA-A2 AntigenMAGEA4 protein, humanNeoplasm ProteinsPeptidesReceptors, Antigen, T-Cell, alpha-betaadaptive immunityantigen presentationantigen recognitioncancer-associated antigencancer therapycrystal structureimmuno-oncologyimmunotherapyMAGE-A4melanoma antigen-A4 (MAGE-A4)peptide-human leukocyte antigenpeptide-human leukocyte antigen (pHLA)surface plasmon resonance (SPR)T cell receptorT cell receptor (TCR)

Identifiers

PMID32532817
PMCPMC7450119
OpenAlexW3034203872

What OpenQuestion holds

Textmetadata
LicenceCC BY
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 OpenQuestion graph.