Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Sequence Similarity Searching

A guide to sequence similarity searching using BLAST and other tools.

Help & Tutorials

Sequence similarity searching is a basic but powerful tool that can be used to discover related molecules to your molecule of interest.  There are many sources available online that will provide information and instruction on BLAST.

  • EBI maintains Help & Documentation pages for each of their tools. You can access these from the page for the tool you're using.