Bulk Downloads
Download the complete PTMKB dataset or all derived tables for offline analysis.
Complete PTMKB Dataset
Download the entire curated PTMKB dataset in a single archive.
This includes all proteins with all evidence-backed PTM annotations.
Recommended for large-scale or offline analysis.
All PTMKB Positional Frequency Matrices
Download all PTMKB frequency matrices in JSON format.
Useful if you want individual tables without the full dataset archive.
Download Positional Frequency Matrix
Select a post-translational modification, amino acid, and table type to download a specific positional frequency matrix.