Compare
Protein Data Bank vs PubChem
Side-by-side comparison of Protein Data Bank (Dataset) and PubChem (Dataset).
Live Data← All Comparisons
81.9
Composite Score
Protein Data Bank
Dataset · RCSB PDB / wwPDB Consortium
79.6
Composite Score
PubChem
Dataset · NCBI / NIH
Overall Winner
Protein Data Bank
Protein Data Bank wins 5 of 6 categories · PubChem wins 0 of 6 categories
Score Comparison
Protein Data BankvsPubChem
Composite
81.9:79.6
Adoption
95:92
Quality
97:95
Freshness
91:90
Citations
98:95
Engagement
0:0
Details
FieldProtein Data BankPubChem
TypeDatasetDataset
ProviderRCSB PDB / wwPDB ConsortiumNCBI / NIH
Version20262026
Categoryscientificscientific
Pricingfreefree
LicenseCC0 1.0Public Domain
DescriptionThe RCSB Protein Data Bank (PDB) is the single worldwide archive of experimentally determined 3D structures of proteins, nucleic acids, and complex assemblies, currently containing over 220,000 biological macromolecular structures determined by X-ray crystallography, NMR, and cryo-EM. It is the foundational structural dataset for computational biology and was used to train and validate AlphaFold2 and other structure-prediction models.PubChem is the world's largest open chemical database maintained by the NCBI, containing information on over 115 million compounds, 295 million substances, and 270 million bioactivity outcomes from more than 1.2 million assays. It provides standardized molecular structures, properties, and biological activity data freely accessible via REST API and bulk download, making it the canonical resource for cheminformatics and drug discovery research.
Capabilities
Only Protein Data Bank
3d-structure-searchsequence-structure-mappingligand-binding-analysis
Shared
None
Only PubChem
molecular-structure-searchbioactivity-lookupcheminformatics
Integrations
Only Protein Data Bank
biopythonpymolalphafold
Shared
None
Only PubChem
rdkitchembl
Tags
Only Protein Data Bank
proteinsstructuresbiologycrystallographyalphafold
Shared
None
Only PubChem
chemistrymoleculesbioassaydrug-discoverycheminformatics
Use Cases
Protein Data Bank
- ▸protein structure prediction training
- ▸drug design
- ▸structural biology research
PubChem
- ▸drug discovery
- ▸molecular ml training
- ▸chemical property prediction
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