Dataset from Zenodo · Laboratory of Bioinformatics and Systems
Propedia 26
- License
- CC BY 4.0commercial use allowedLicense text
- This license allows commercial use. Usually you must credit the author; read the license for the exact terms.
- Formats
- ZIP, CSV
- Size
- 3.8 GB
- Updated
- Aug 31, 2026
Description
Propedia 26 is a curated dataset of protein–peptide interactions derived from experimentally determined three-dimensional structures deposited in the Protein Data Bank (PDB). This record contains the complete set of structure files and the corresponding annotation table, allowing the dataset to be used offline and in large-scale computational workflows, including machine learning applications. Each entry represents a protein–peptide pair: one chain of 2–50 amino acid residues (the peptide) in contact with one chain of more than 50 residues (the protein). Structures were retrieved from the PDB on 8 September 2025. A pair was retained when at least one atom of the peptide and one atom of the protein were separated by 6 Å or less, and the complex showed a buried surface area greater than zero. This release comprises 73,392 protein–peptide complexes . Files in this record propedia26 v9.zip (3.9 GB compressed; 14.1 GB uncompressed) — 73,392 structure files in PDB format, organized in directories named after the first character of the PDB identifier. Each file contains only the two chains that form the complex. File names follow the Propedia…
Description from Zenodo, shortened.
Files (2)
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