Table 3. Selected BLAST nucleotide databases*.
| Database | Contents |
|---|---|
| nt | Taxonomic GenBank divisions |
| env_nt | ENV division |
| tsa_nt | TSA division |
| wgs | WGS sequences |
| 16SMicrobial | Bacterial and archaeal 16S rRNA |
*For more databases, see ftp.ncbi.nlm.nih.gov/blast/documents/blastdb.html