The US National Center for Biotechnology Information (NCBI) provides BLAST, a suite of programs for aligning query sequences against genomes selected from a database.  Click the icon below to access the NCBI BLAST homepage at  See for a guide to the BLAST homepage and selected search pages.

Description of BLAST can be found in Johnson M et al. (2008), NCBI BLAST: a better web interface. Nucleic Acids Res;36 (Web Server issue):W5-9.

Click on the icon below to be redirected to the BLAST website.