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Protein Data Bank 3D Structural Biology Data

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The "Protein Data Bank (PDB) archive" was established in 1971 as the first open-access digital data archive in biology. It is a collection of three-dimensional (3D) atomic-level structures of biological macromolecules (i.e., proteins, DNA, and RNA) and their complexes with one another and various small-molecule ligands (e.g., US FDA approved drugs, enzyme co-factors). For each PDB entry (unique identifier: 1abc or PDB_0000001abc) multiple data files contain information about the 3D atomic coordinates, sequences of biological macromolecules, information about any small molecules/ligands present in the entry, details about the structure-determination experiment, authors and publication information, experimental data, and the wwPDB validation report. Additional content stored in the archive includes documentation, summary reports, and software (among others). The PDB is a jointly-managed core archive of the Worldwide Protein Data Bank partnership [RCSB Protein Data Bank (RCSB PDB,; Protein Data Bank in Europe (PDBe,; Protein Data Bank Japan (PDBj,; Electron Microscopy Data Bank (EMDB,; and Biological Magnetic Resonance Bank (BMRB,]. RCSB PDB serves as the wwPDB-designated Archive Keeper for the Protein Data Bank. Additional wwPDB Core Archives are as follows: Electron Microscopy Data Bank (wwPDB-designated Archive Keeper: EMDB) Biological Magnetic Resonance Bank (wwPDB-designated Archive Keeper: BMRB)

Update Frequency

New and updated data files are published weekly and released on Wednesdays 0:00 UTC.



Managed By

See all datasets managed by Worldwide Protein Data Bank Partnership.


How to Cite

Protein Data Bank 3D Structural Biology Data was accessed on DATE from For instructions on citing specific PDB entry by their Digital Object Identifier (DOI), please see

Usage Examples


Resources on AWS

  • Description
    Globally cached distribution of the dataset. Web frontend also available to browse the dataset and file directory.
    Resource type
    CloudFront Distribution
    AWS Region
    Browse Dataset
  • Description
    Historical snapshots of archival datasets from 2005 onwards. Snapshots are generated annually and at major milestone.
    Resource type
    S3 Bucket
    Amazon Resource Name (ARN)
    AWS Region
    AWS CLI Access (No AWS account required)
    aws s3 ls --no-sign-request s3://pdbsnapshots/
    Browse Bucket

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