Latest news: New BLAST design to be released on April 16, 2007

Programs available for the BLAST search


The NCBI BLAST family of programs includes:

blastp
compares an amino acid query sequence against a protein sequence database
blastn
compares a nucleotide query sequence against a nucleotide sequence database
blastx
compares a nucleotide query sequence translated in all reading frames against a protein sequence database
tblastn
compares a protein query sequence against a nucleotide sequence database dynamically translated in all reading frames
tblastx
compares the six-frame translations of a nucleotide query sequence against the six-frame translations of a nucleotide sequence database. Please note that tblastx program cannot be used with the nr database on the BLAST Web page.

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