| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Nucleotide.gif) | Nucleotide: Core subset of nucleotide sequence records | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/est.gif) | EST: Expressed Sequence Tag records | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/gss.gif) | GSS: Genome Survey Sequence records | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Protein.gif) | Protein: sequence database | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Genome.gif) | Genome: whole genome sequences | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Structure.gif) | Structure: three-dimensional macromolecular structures | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Taxonomy.gif) | Taxonomy: organisms in GenBank | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/SNP.gif) | SNP: single nucleotide polymorphism | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Gene.gif) | Gene: gene-centered information | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/sra.gif) | SRA: Short Read Archive | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/biosystems.gif) | BioSystems: Pathways and systems of interacting molecules | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/homologene.gif) | HomoloGene: eukaryotic homology groups | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/gensat.gif) | GENSAT: gene expression atlas of mouse central nervous system | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Probe.gif) | Probe: sequence-specific reagents | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |
| ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/genome_project_icon.gif) | Genome Project: genome project information | ![](https://webarchive.library.unt.edu/eot2008/20090513003415im_/http://www.ncbi.nlm.nih.gov/coreweb/images/gquery/ghelp3.gif) |