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BLAST (Basic Local Alignment Search Tool)

The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between genetic sequences, comparing nucleotide or protein sequences to sequence databases and calculates the statistical significance of matches. BLAST can be used to infer functional and evolutionary relationships between sequences as well as help identify members of gene families. It is used to compare a novel sequence with those contained in nucleotide and protein databases by aligning the novel sequence with previously characterized genes. Alternative implementations include AB-BLAST (formerly known as WU-BLAST), FSA-BLAST, and ScalaBLAST.

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Windows, MAC OS, UNIX, Linux
BLAST (Basic Local Alignment Search Tool)