-evalue <Real>
 Expectation value (E) threshold for saving hits
 Default = '10'

-word_size <Integer, >=2>
 Word size for wordfinder algorithm
 Default = '3'

-gapopen <Integer>
 Cost to open a gap
 Default = '11'

-gapextend <Integer>
 Cost to extend a gap
 Default = '1'

-matrix <String>
Scoring matrix name (normally BLOSUM62)

-threshold <Real, >=0>
Minimum word score such that the word is added to the BLAST lookup table
 Default = '11'

-window_size <Integer, >=0>
Multiple hits window size, use 0 to specify 1-hit algorithm
 Default = '40'