RCSB PDB Data API

RCSB PDB Data API

RCSB PDB's Data API (data.rcsb.org) provides keyless REST and GraphQL access to Protein Data Bank macromolecular structure entries and their metadata. The usage policy page says: "The wwPDB policy states that data files contained in the PDB archive are available under the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication . All data provided by RCSB PDB programmatic APIs are available under the same license."

Coverage

3D macromolecular structure entries (proteins, nucleic acids, ligands) and their metadata from the Protein Data Bank, confirmed live today via the REST entry endpoint (for example /rest/v1/core/entry/4HHB) and documented GraphQL access. History start and update frequency: Not stated.

Verdict

Keyless REST and GraphQL API for Protein Data Bank macromolecular structure entries (proteins, nucleic acids, ligands) and their metadata. Licensed CC0-1.0: "The wwPDB policy states that data files contained in the PDB archive are available under the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication . All data provided by RCSB PDB programmatic APIs are available under the same license." Attribution is encouraged, not required: "Users of PDB data are encouraged to attribute the original authors of the PDB structure data where possible." Rate limits: "There are currently no limits set on the requests rate or query complexity. The only limit is for batch endpoints where a maximum of 1000 IDs can be requested at a time." Signal Lab links only.