Advanced BLAST
Usage: Choose the suitable BLAST program and database for your query sequence. Paste your sequence in one of the supported formats into the sequence field below and press the "Run BLAST" button. Don't forget your e-mail address, so that we can send you the results in case of traffic jam...
Make sure that the format button (next to the sequence field) shows the correct format .
See also our BLAST database description and the NCBI BLAST help
 
Please select the program:
Program
You can do multiple selections !
Please select the database(s):
DNA databases
    Current release (89)
    Cumulative updates
 
 
EMBL
EST+HTC
Genomes
Important Notice: end of services
Other
Protein databases
Various
Proteomes
Graphic output on/off
Gapped alignment on/off
Select matrix
BLAST filter on/off
Select format
Xblast-repsim filter on/off
Query title (option)
Coils filter on/off
Set subsequence: From To (optional)
Paste your sequence here:
(or ID or accession number)
E-mail address HTML
Advanced BLAST parameters:
(See BLAST parameter help file for explanations)
open gap penalty
Expect (E) : Nr of expected matches in a random database
extend gap penalty
Descriptions (V): Nr of one-line descriptions
dropoff value
Alignments (B): Nr of aligned results
nucleotide mismatch penalty
Query genetic code
nucleotide match reward
Database genetic code (tblast)
threshold for extending hits
Alignement view
All the advanced parameters are ignored when using the bottom field !
For professionals:
Type your parameters