Expect value cutoff 0.00000000001 0.0000000001 0.000000001 0.00000001 0.0000001 0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 10000

cutoff based on identity percentage (useful for dna/dna comparison)

cutoff based on query length percentage

Set the maximum number of database sequences for which any alignments will be reported (default 250)

If you are using blastn, you may want to set the score threshold(default 400):

Click here to use more sensitive parameters for short queries. In addition to these 'special' parameters you can specify a minimum number of nucleotide matches , and a maximun number of nucleotide mismatches

You can specify the display of the output : Overview Full
Display graphical view

Sort results by: accession begin bitscore percentage definition end evalue id identity length match mismatch pcq pcs positives score numerical ascendant numerical descendant alphanum ascendant alphanum descendant