Full list of the BLAST Advanced options


BLASTN Program Advanced Options

  -G  Cost to open a gap [Integer]
    default = 5
  -E  Cost to extend a gap [Integer]
    default = 2
  -q  Penalty for a mismatch in the blast portion of run [Integer]
    default = -3
  -r  Reward for a match in the blast portion of run [Integer]
    default = 1
  -e  Expectation value (E) [Real]
    default = 10.0
  -W  Word size, default is 11 for blastn, 3 for other programs.
  -v  Number of one-line descriptions (V) [Integer]
    default = 100
  -b  Number of alignments to show (B) [Integer]
    default = 100



BLASTP Program Advanced Options

BLASTX Program Advanced Options

TBLASTN Program Advanced Options

  -G  Cost to open a gap [Integer]
    default = 11
  -E  Cost to extend a gap [Integer]
    default = 1
  -e  Expectation value (E) [Real]
    default = 10.0
  -W  Word size, default is 11 for blastn, 3 for other programs.
  -v  Number of one-line descriptions (V) [Integer]
    default = 100
  -b  Number of alignments to show (B) [Integer]
    default = 100


  Limited values for gap existence and extension are supported for these three programs.  
  Some supported and suggested values are:

  Existence	Extension

     10             1
     10             2
     11             1
      8             2
      9             2
     


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Acknowledgements
   The Gene Index Project is supported in part by funding from the US National Science Foundation through grant #DBI-0552416.