RCSB Protein Data Bank
The global archive of 3D biomolecular structures
The Protein Data Bank is the single global repository for experimentally determined macromolecular structures from X-ray crystallography, cryo-EM and NMR. The RCSB portal provides search, visualization and analysis tools.
Highlights
- 200,000+ structures, released as public-domain data.
- Advanced search, 1D/3D alignment and ligand analysis.
- REST and GraphQL data APIs plus bulk FTP downloads.
Related tools
Free
Free
Public Databases
AlphaFold Protein Structure DB
Predicted structures for 200M+ proteins
Web appREST APIDataset
Freemium