![Go to Nucleotide Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Nucleotide.gif) |
Nucleotide: sequence database (GenBank) |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Protein.gif) |
Protein: sequence database |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to Genome Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Genome.gif) |
Genome: whole genome sequences |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to Structure Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Structure.gif) |
Structure: three-dimensional macromolecular structures |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to Taxonomy Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Taxonomy.gif) |
Taxonomy: organisms in GenBank |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to SNP Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/SNP.gif) |
SNP: single nucleotide polymorphism |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to Gene Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/Gene.gif) |
Gene: gene-centered information |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to HomoloGene Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/homologene.gif) |
HomoloGene: eukaryotic homology groups |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to PubChem Compound Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/pccompound.gif) |
PubChem Compound: small molecule chemical structures |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to PubChem Substance Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/pcsubstance.gif) |
PubChem Substance: chemical substances screened for bioactivity |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |
![Go to Genome Project Search Page](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/icons/genome_project_icon.gif) |
Genome Project: genome project information |
![](https://webarchive.library.unt.edu/web/20090118031637im_/http://www.ncbi.nlm.nih.gov/coreweb/images/long_help4.gif) |