FASTA compares pairs of protein or DNA sequences as well as comparing a single protein or DNA sequence to a database or library. FASTA completes searches very quickly and can be run locally as well as on a server.

The FASTA search page also supports comparisons of DNA sequences to protein sequences, and protein sequences to DNA sequences. There are several other useful tools indexed on the site.


The most recent version of the FASTA package can be found on the FASTA web site.

Instructions for All: 

FASTA can be run locally, or through the web. To run the serial version of FASTA, at the command prompt type:

fasta35To run the parallel version type: