---
tags:
- chemistry
- biology
- peptide
- peptides
- amino_acid
pretty_name: PeptideAtlas
size_categories:
- 1M<n<10M
---

# Dataset Card for **Human PeptideAtlas 2025-01 Peptides**

## Dataset Summary
Random split of the distinct peptide sequences released in the *Peptide sequences in FASTA format* file (125 MB) from the Human PeptideAtlas 2025-01 build.  
Each record is just the amino-acid sequence (uppercase 20-AA alphabet + “U”, “O”). No headers, spectra, or metadata are included.


## Reference
 Desiere et al., "The PeptideAtlas Project", Nucleic Acids Research, 2006, 34, D655-D658