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
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 10 2019 there are 158367 structures.
- Access new data entries this week
- Access new structure publications this week
- Search unreleased entries
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.
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
Right image: MarvinJS by ChemAxon for Ligand Search of Lipitor
Start Ligand SearchSearch 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)
Browse by Annotation
PDB entries have been annotated by various ontologies and hierarchical classification schemes.
- Anatomical Therapeutic Chemical Classification System
- Membrane Proteins
- Protein Modification
- Protein Symmetry
- Biological Process, Cell Component, Molecular Function
- Enzyme Classification
- Transporter Classification
- Source Organism
- Genome Location
- MeSH (Medical Subject Headings)
- SCOP and CATH
Search PDB Statistics
The PDB Statistics page lists the current holdings in the PDB and various growth statistics and histograms.
- Summary Table of Released Entries
- Growth of Released Structures Per Year
- Growth of X-ray Structures Per Year
