Search Related Features

Advanced Search

The Advanced Search interface enables queries by specific categories. Queries can be combined with AND or OR to construct complex searches.

Search categories:

  • IDs and keywords
  • Structure annotation
  • Deposition
  • Structure features
  • Sequence features
  • Chemical components
  • Biology
  • Methods
  • Publication
Start Advanced Search


Explore the PDB Archive



Search by Unreleased & Access New Entries

The PDB archive is updated weekly in two phases

Phase I: Every Saturday by 3:00 UTC, for every new entry, wwPDB website provides sequence(s) (amino acid or nucleotide) for each distinct polymer and, where appropriate, the InChI string(s) for each distinct ligand and the crystallization pH value(s).

Phase II: Every Wednesday by 00:00 UTC, all new and modified data entries will be updated at each of the wwPDB FTP sites.

As of Tuesday Dec 12 2017 there are 135966 structures.

Next data entry update in:



Search by Sequences

Choose Option A or B to search for protein and nucleic acid sequences.  Read Tutorial | Advanced Sequence Searching

NOTE Parameters: BLAST method, E-value cutoff: 10.0, Mask Low Complexity: On.

Option A: Use PDB Sequence
...
or Option B: Paste Sequence


Search by Ligands

Search ligands bound to macromolecules in the PDB by:

  • Identifier or Name
  • SMILES String, InChI or InChI Key
  • Chemical Formula or Molecular Weight
  • Chemical Substructure or Similarity
Start Ligand Search


Search by Drugs & Drug Targets

Drugs & Drug Targets in the PDB have been mapped to DrugBank.

  • Drug-Target Complex: Atorvastatin bound to its target HMG-CoA reductase

  • Drug: Atorvastatin (Lipitor)

Search for Drugs & Drug Targets



Search PDB Statistics

The PDB Statistics page lists the current holdings in the PDB and various growth statistics and histograms.

View PDB Statistics Page