Precision Design of Cyclic Peptides using AlphaFold
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909847252893696 |
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| author | Au, Cheuk Sau |
| author_facet | Au, Cheuk Sau |
| contents | This independent research investigates methods to improve the precision of cyclic peptide generation targeting the HIV gp120 trimer using AlphaFold. The study explores proximity-based hotspot mapping at the CD4 binding site, centroid distance penalization, generative loss tuning, and custom loss function development. These enhancements produced cyclic peptides that closely resemble the binding conformation of the CD4 attachment inhibitor BMS-818251. The proposed methodology demonstrates improved structural control and precision in cyclic peptide generation, advancing the applicability of AlphaFold in structure-based drug discovery. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_13127 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Precision Design of Cyclic Peptides using AlphaFold Au, Cheuk Sau Biomolecules This independent research investigates methods to improve the precision of cyclic peptide generation targeting the HIV gp120 trimer using AlphaFold. The study explores proximity-based hotspot mapping at the CD4 binding site, centroid distance penalization, generative loss tuning, and custom loss function development. These enhancements produced cyclic peptides that closely resemble the binding conformation of the CD4 attachment inhibitor BMS-818251. The proposed methodology demonstrates improved structural control and precision in cyclic peptide generation, advancing the applicability of AlphaFold in structure-based drug discovery. |
| title | Precision Design of Cyclic Peptides using AlphaFold |
| topic | Biomolecules |
| url | https://arxiv.org/abs/2510.13127 |