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Literature

DbDescription
Bookshelf 17 Books and reports
MeSH 1 Ontology used for PubMed indexing
NLM Catalog 5 Books, journals and more in the NLM Collections
PubMed 368 Scientific and medical abstracts/citations
PubMed Central 1,673 Full-text journal articles
PubMed Health 3 Clinical effectiveness, disease and drug reports

Genes

DbDescription
EST 0 Expressed sequence tag sequences
Gene 44,834 Collected information about gene loci
GEO DataSets 333 Functional genomics studies
GEO Profiles 0 Gene expression and molecular abundance profiles
HomoloGene 0 Homologous gene sets for selected organisms
PopSet 40 Sequence sets from phylogenetic and population studies
UniGene 0 Clusters of expressed transcripts

Genetics

DbDescription
ClinVar 24 Human variations of clinical significance
dbGaP 2 Genotype/phenotype interaction studies
dbVar 0 Genome structural variation studies
GTR 0 Genetic testing registry
MedGen 0 Medical genetics literature and links
OMIM 4 Online mendelian inheritance in man
SNP 0 Short genetic variations

Proteins

DbDescription
Conserved Domains 0 Conserved protein domains
Identical Protein Groups 67,454 Protein sequences grouped by identity
Protein 90,591 Protein sequences
Protein Clusters 0 Sequence similarity-based protein clusters
Sparcle 2 Functional categorization of proteins by domain architecture
Structure 3 Experimentally-determined biomolecular structures

Genomes

DbDescription
Assembly 2 Genome assembly information
BioCollections 0 Museum, herbaria, and other biorepository collections
BioProject 23 Biological projects providing data to NCBI
BioSample 362 Descriptions of biological source materials
Clone 0 Genomic and cDNA clones
Genome 1 Genome sequencing projects by organism
GSS 0 Genome survey sequences
Nucleotide 227,514 DNA and RNA sequences
Probe 0 Sequence-based probes and primers
SRA 437 High-throughput sequence reads
Taxonomy 1 Taxonomic classification and nomenclature

Chemicals

DbDescription
BioSystems 2,053 Molecular pathways with links to genes, proteins and chemicals
PubChem BioAssay 0 Bioactivity screening studies
PubChem Compound 0 Chemical information with structures, information and links
PubChem Substance 2 Deposited substance and chemical information