
UniProt is the authoritative resource for protein information: sequences, functional annotation, domains, variants and cross-references to hundreds of databases.
Highlights
- Swiss-Prot (expertly curated) and TrEMBL (automatically annotated).
- Rich REST API and bulk downloads for programmatic access.
- Direct links to AlphaFold structures and literature.
Related tools

Free
Public Databases
RCSB Protein Data Bank
The global archive of 3D biomolecular structures
Web appREST APIDataset

Free
Public Databases
AlphaFold Protein Structure DB
Predicted structures for 200M+ proteins
Web appREST APIDataset

Free