Compare
PubChem vs UniProt
Side-by-side comparison of PubChem (Dataset) and UniProt (Dataset).
Live Data← All Comparisons
79.6
Composite Score
PubChem
Dataset · NCBI / NIH
80.9
Composite Score
UniProt
Dataset · UniProt Consortium (EMBL-EBI / SIB / PIR)
Overall Winner
UniProt
PubChem wins 0 of 6 categories · UniProt wins 5 of 6 categories
Score Comparison
PubChemvsUniProt
Composite
79.6:80.9
Adoption
92:93
Quality
95:97
Freshness
90:92
Citations
95:97
Engagement
0:0
Details
FieldPubChemUniProt
TypeDatasetDataset
ProviderNCBI / NIHUniProt Consortium (EMBL-EBI / SIB / PIR)
Version20262026.01
Categoryscientificscientific
Pricingfreefree
LicensePublic DomainCC BY 4.0
DescriptionPubChem 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.UniProt (Universal Protein Resource) is the world's comprehensive, freely accessible protein sequence and functional information database, maintained by a consortium of EMBL-EBI, SIB, and PIR. It contains over 250 million protein sequences in UniParc, with 570,000+ manually reviewed entries in SwissProt providing expert-curated functional annotations, and serves as the gold-standard training source for protein language models.
Capabilities
Only PubChem
molecular-structure-searchbioactivity-lookupcheminformatics
Shared
None
Only UniProt
protein-sequence-retrievalfunctional-annotationtaxonomy-search
Integrations
Only PubChem
rdkitchembl
Shared
None
Only UniProt
biopythonalphafold
Tags
Only PubChem
chemistrymoleculesbioassaydrug-discoverycheminformatics
Shared
None
Only UniProt
proteinsbiologysequencesfunctional-annotationbioinformatics
Use Cases
PubChem
- ▸drug discovery
- ▸molecular ml training
- ▸chemical property prediction
UniProt
- ▸protein language model training
- ▸drug target identification
- ▸functional genomics
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