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<title>NCBI BLAST Advanced Options</title>
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<body bgcolor = "white">
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<h1>Full list of the BLAST Advanced options</h1>
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<LI> <a href = "#blastn">blastn</a>
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<LI> <a href = "#blastp">blastp</a>
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<LI> <a href = "#blastx">blastx</a>
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<LI> <a href = "#tblastn">tblastn</a>
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<h3><a name = blastn><FONT color="green">
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BLASTN Program Advanced Options</FONT></a></h3>
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-G Cost to open a gap [Integer]
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-E Cost to extend a gap [Integer]
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-q Penalty for a mismatch in the blast portion of run [Integer]
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-r Reward for a match in the blast portion of run [Integer]
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-e Expectation value (E) [Real]
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-W Word size, default is 11 for blastn, 3 for other programs.
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-v Number of one-line descriptions (V) [Integer]
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-b Number of alignments to show (B) [Integer]
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<h3><a name = blastp><FONT color="green">
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BLASTP Program Advanced Options</FONT></a></h3>
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<h3><a name = blastx><FONT color="green">
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BLASTX Program Advanced Options</FONT></a></h3>
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<h3><a name = tblastn><FONT color="green">
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TBLASTN Program Advanced Options</FONT></a></h3>
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-G Cost to open a gap [Integer]
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-E Cost to extend a gap [Integer]
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-e Expectation value (E) [Real]
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-W Word size, default is 11 for blastn, 3 for other programs.
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-v Number of one-line descriptions (V) [Integer]
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-b Number of alignments to show (B) [Integer]
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Limited values for gap existence and extension are supported for these three programs.
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Some supported and suggested values are:
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<!-- Created: Mon Jun 16 12:38:19 EDT 1997 -->
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Last modified: Mon July 31, 1997
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