Blast DNA databases (blastn)
Default parameters      
Sequence      
Set subsequence      From: To:
 Choose database      
 Now:      


Options      for advanced blasting
Limit by entrez query       or select from:
 Choose filter       Low complexity Human repeats Mask for lookup table onlyMask lower case
Expect      
Word Size      
Other advanced      



Format      
Show      Graphical OverviewNCBI-gi in format
Number of:      Descriptions Alignments
Alignment view      
Limit results by entrez query       or select from:
Expect value range:      
Layout:       Formatting options on page with results:
Autoformat      
Send results by e-mail      
         or