Basic Local Alignment Search Tool

BLAST finds regions of similarity between biological sequences. The program compares nucleotide or protein sequences to sequence databases and calculates the statistical significance. Learn more
The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares 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.

News

BLAST+ 2.4.0 released

​A new version (2.4.0) of the BLAST+ executables is now available.

Thu, 02 Jun 2016 14:00:00 EST

More BLAST news...

Web BLAST

Nucleotide query->Nucleotide database
Translated Nucleotide query->Protein database Protein query->Translated Nucleotide database
Protein query->Protein database