Remodeling Peptide-MHC-TCR Triad Binding as Sequence Fusion for Immunogenicity Prediction
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arXiv
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| Hauptverfasser: | , , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866912176202055680 |
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| author | Ma, Jiahao Li, Hongzong Huang, Jian-Dong Hu, Ye-Fan Chen, Yifan |
| author_facet | Ma, Jiahao Li, Hongzong Huang, Jian-Dong Hu, Ye-Fan Chen, Yifan |
| contents | The complex nature of tripartite peptide-MHC-TCR interactions is a critical yet underexplored area in immunogenicity prediction. Traditional studies on TCR-antigen binding have not fully addressed the complex dependencies in triad binding. In this paper, we propose new modeling approaches for these tripartite interactions, utilizing sequence information from MHCs, peptides, and TCRs. Our methods adhere to native sequence forms and align with biological processes to enhance prediction accuracy. By incorporating representation learning techniques, we introduce a fusion mechanism to integrate the three sequences effectively. Empirical experiments show that our models outperform traditional methods, achieving a 2.8 to 13.3 percent improvement in prediction accuracy across existing benchmarks. We further validate our approach with extensive ablation studies, demonstrating the effectiveness of the proposed model components. The model implementation, code, and supplementary materials, including a manuscript with colored hyperlinks and a technical appendix for digital viewing, will be open-sourced upon publication. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_01768 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Remodeling Peptide-MHC-TCR Triad Binding as Sequence Fusion for Immunogenicity Prediction Ma, Jiahao Li, Hongzong Huang, Jian-Dong Hu, Ye-Fan Chen, Yifan Biomolecules The complex nature of tripartite peptide-MHC-TCR interactions is a critical yet underexplored area in immunogenicity prediction. Traditional studies on TCR-antigen binding have not fully addressed the complex dependencies in triad binding. In this paper, we propose new modeling approaches for these tripartite interactions, utilizing sequence information from MHCs, peptides, and TCRs. Our methods adhere to native sequence forms and align with biological processes to enhance prediction accuracy. By incorporating representation learning techniques, we introduce a fusion mechanism to integrate the three sequences effectively. Empirical experiments show that our models outperform traditional methods, achieving a 2.8 to 13.3 percent improvement in prediction accuracy across existing benchmarks. We further validate our approach with extensive ablation studies, demonstrating the effectiveness of the proposed model components. The model implementation, code, and supplementary materials, including a manuscript with colored hyperlinks and a technical appendix for digital viewing, will be open-sourced upon publication. |
| title | Remodeling Peptide-MHC-TCR Triad Binding as Sequence Fusion for Immunogenicity Prediction |
| topic | Biomolecules |
| url | https://arxiv.org/abs/2501.01768 |