Search for Sequences at NCBI

Search for Sequences at NCBI supports searching the Entrez nucleotide, peptide and EST databases (

To start this tool, go to:

Download | Search for Sequences at NCBI (Image search_ncbi_sequence_16_n_p) or Ctrl + B (Image command_key_web + B on Mac)

Select the nucleotide, protein or EST database using options at the top of the view (figure 8.1).

Image ncbisearchdialog
Figure 8.1: The GenBank search view.

The search you just set up can be saved by doing one of the following:

These actions save the search query. (It does not save the search results.)

This can be useful when you run the same searches periodically.