NCBI PopSet

NCBI Taxonomy

The NCBI Taxonomy is a database of taxonomic information. It does not follow a single taxonomic treatise but rather attempts to incorporate phylogenetic and taxonomic knowledge from a variety of sourc ...

NCBI GSS

>>>!!! GSS sequences are now being merged into the NCBI Nucleotide database !!!<<<

BioSystems

The NCBI BioSystems database centralizes and cross-links existing biological systems databases, increasing their utility and target audience by integrating their pathways and systems into NCBI resourc ...

NCBI BioSample

The NCBI BioSample database stores submitter-supplied descriptive information, or metadata, about the biological materials from which data stored in NCBI’s primary data archives are derived. NCBI’s ar ...

NCBI Bookshelf

Searchable collection of biomedical books linked to terms in PubMed abstracts; when viewing an abstract, click on Books link to see phrases in abstract hyperlinked to book sections.

NCBI Nucleotide

The NCBI Nucleotide database collects sequences from such sources as GenBank, RefSeq, TPA, and PDB. Sequences collected relate to genome, gene, and transcript sequence data, and provide a foundation f ...

NCBI Viral Genomes Resource

NCBI Viral Genomes Resource is a collection of virus genomic sequences that provides curated sequence data, related information and tools. It includes all complete viral genome sequences deposited in ...

PubMed

PubMed® comprises more than 30 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central a ...

Conserved Domain Database

The Conserved Domain Database (CDD) brings together several collections of multiple sequence alignments representing conserved domains, including NCBI-curated domains, which use 3D-structure informati ...

Gene Expression Omnibus

The Gene Expression Omnibus (GEO) is a public repository that archives and freely distributes microarray, next-generation sequencing, and other forms of high-throughput functional genomic data submitt ...

UniGene

<<<!!!<<< This repository is no longer available>>>!!!>>>. Although the web pages are no longer available, you will still be able to download the final UniGene builds as static content from the FTP s ...

Homologene

HomoloGene is an automated system for the detection of homologs among the annotated genes of several completely sequenced eukaryotic genomes. HomoloGene takes protein sequences from differing species ...

NCBI Taxonomy Database

Curated classification and nomenclature for all of the organisms in the public sequence databases. This currently represents about 10% of the described species of life on the planet.

NIH Genetic Testing Registry

Organelle genomes

Organelle genome resource at NCBI

ProtClustDB

ProtClustDB is a collection of related protein sequences (clusters) consisting of Reference Sequence proteins encoded by complete genomes. This database contains both curated and non-curated clusters.

Database of genomic structural VARiation

dbVar is a database of human genomic structural variation where users can search, view, and download data from submitted studies. dbVar stopped supporting data from non-human organisms in 2017, howeve ...

CloneDB

Clones and libraries: sequence data, map positions and distributor information

NCBI Assembly

A database providing information on the structure of assembled genomes, assembly names and other meta-data, statistical reports, and links to genomic sequence data.