RCSB PDB Help
General Help
Data From External Resources Integrated Into RCSB PDB
RCSB PDB integrates external data, which remains subject to the original terms and licenses set by the providers. Users must review and comply with these terms, especially for commercial use. RCSB PDB does not impose additional licensing requirements and advises users to refer to the official documentation of each external resource for details.
AlphaFold DB
Computed Structure Models by AlphaFold2
ATC
Anatomical Therapeutic Chemical (ATC) Classification System from World Health Organization
BindingDB
Binding affinities
BMRB
BMRB-to-PDB mappings
CARD
Comprehensive Antibiotic Resistance Database
CATH
Protein structure classification- Class, Architecture, Topology/fold, and Homologous superfamily
ChEBI
Chemical entities of biological interest
ChEMBL
Manually curated database of bioactive molecules with drug-like properties
CSD
Cambridge Structural Database: Validated and curated small-molecule organic and metal-organic crystal structures from the Cambridge Crystallographic Data Centre
DrugBank
Drug and drug target data. DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License
ECOD
Evolutionary Classification of Protein Domains
EMDB
3DEM density maps and associated metadata
ExplorEnz
IUBMB Enzyme nomenclature and classification
Gencode
Human and Mouse Gene annotations
Gene Ontology
Organization of biological data related to molecular functions, cellular components, and biological processes
Genotype-Tissue Expression - GTEx (NIH Common Fund Data Resource)
Tissue-specific gene expression data
GlyCosmos
A web portal aiming to integrate the glycosciences with the life sciences about genes, proteins, lipids, pathways and diseases.
GlyGen
A data integration and dissemination resource for carbohydrate and glycoconjugate related data which provides computational and informatics resources and tools for glycosciences research.
GlyTouCan
An international glycan structure repository with unique accession code for each unique glycan.
Human Gene Nomenclature Committee
Human gene name nomenclature and genomic information
IMGT
The international ImMunoGeneTics information system
Immune Epitope Database
Antibody and T cell epitopes
International Mouse Phenotyping Consortium - IMPC (NIH Common Fund Data Resource)
Mouse gene phenotype data
InterPro
Classification of protein families
M-CSA
Mechanism and Catalytic Site Atlas
MemProtMD
Annotation of transmembrane protein structures
ModelArchive
Computed Structure Models (e.g., by RoseTTAFold)
Mondo Disease Ontology
The Mondo Disease Ontology (Mondo) aims to harmonize disease definitions across the world
mpstruc
Classification of transmembrane protein structures
NAKB
Experimentally-determined nucleic acids and complex assemblies
NCBI Gene
Gene info, reference sequences, et al.
NCBI Taxonomy
Organism Classification
OPM
Classification of transmembrane protein structures and membrane segments
PDBflex
Protein structure flexibility
PDBTM (UniTmp)
Annotation of transmembrane protein structures and membrane segments
Pfam
Protein families
Pharos - Illuminating the Druggable Genome (NIH Common Fund Data Resource)
Drug targets and diseases based on ontologies available from the Drug Target Ontology, Mondo Disease Ontology, Disease Ontology, PANTHER, and GO
ProteinDiffraction.org
Diffraction images
PubChem
Chemical information
PubMed
Citation information
PubMedCentral
Open access literature
RESID
Protein modifications
SAbDab
The Structural Antibody Database
SBGrid
Structural Biology Data Grid / diffraction images
SCOP
Structural Classification of Proteins
SCOPe
Structural Classification of Proteins — extended
SIFTS
Structure Integration with Function, Taxonomy and Sequence
Thera-SAbDab
Therapeutic Structural Antibody Database
UniProt
Protein sequences and annotations
Please report any encountered broken links to info@rcsb.org
Last updated: 3/24/2025