Since 1971, the Protein Data Bank archive (PDB) has served as the single repository of information about the 3D structures of proteins, nucleic acids, and complex assemblies.

The Worldwide PDB (wwPDB) organization manages the PDB archive and ensures that the PDB is freely and publicly available to the global community.

Learn more about PDB HISTORY and FUTURE.

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Each site offers tools for searching, visualizing, and analyzing PDB data:


Collects NMR data from any experiment and captures assigned chemical shifts, coupling constants, and peak lists for a variety of macromolecules; contains derived annotations such as hydrogen exchange rates, pKa values, and relaxation parameters.


Rich information about all PDB entries, multiple search and browse facilities, advanced services including PDBePISA, PDBeFold and PDBeMotif, advanced visualisation and validation of NMR and EM structures, tools for bioinformaticians.


Supports browsing in multiple languages such as Japanese, Chinese, and Korean; SeSAW identifies functionally or evolutionarily conserved motifs by locating and annotating sequence and structural similarities, tools for bioinformaticians, and more.


Simple and advanced searching for macromolecules and ligands, tabular reports, specialized visualization tools, sequence-structure comparisons, RCSB PDB Mobile, Molecule of the Month and other educational resources at PDB-101, and more.

News & Announcements

August 24, 2015

As announced previously, the weekly public release of data from the Protein Data Bank (PDB) archive is divided into two phases to serve better the needs of methods developers focused on protein structure prediction and protein-ligand docking. Going forward on a weekly basis, these developer communities have ~4 days during which they can make blind predictions of protein or nucleic acid structure from polymer sequence and ligand docking pose from polymer sequence and the InChI string of bound ligand. Additionally, crystallization pH value(s) are now part of this phased release.

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August 11, 2015

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EMDataBank/Unified Data Resource for 3DEM is pleased to announce the 2015 Map Challenge.

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July 29, 2015

The Worldwide Protein Data Bank and the Cambridge Crystallographic Data Centre (CCDC; are pleased to announce the availability of a new data resource containing correspondences between the biopolymer components and ligand molecules found in the PDB archive that exactly match small-molecule X-ray structures in the Cambridge Structural Database (CSD) archive.

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