DescriptionThe FASTA (pronounced FAST-Aye, not FAST-Ah) programs are a comprehensive set of similarity searching and alignment programs for searching protein and DNA sequence databases. Like the BLAST programs blastp and blastn, the fasta program itself uses a rapid heuristic strategy for finding similar regions in protein and DNA sequences. But in addition to heuristic similarity searching, the FASTA package provides programs for rigorous local (ssearch) and global (ggsearch) similarity searching, as well as a program for finding non-overlapping sequence similarities (lalign). Like BLAST, the FASTA package also includes programs for aligning translated DNA sequences against proteins (fastx, fasty are equivalent to blastx, tfastx, tfasty are similar to tblastn).
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