[Bioclusters] Blast Source

Ian Korf bioclusters@bioinformatics.org
Wed, 16 Apr 2003 00:28:13 +0100 (BST)


WU-BLAST has no minimum word size. Also Paracel-BLAST, which is more
similar to NCBI-BLAST can also go below 7.

-Ian

On Tue, 15 Apr 2003, Tim Harsch wrote:

> A colleague of mine is trying to use blast to determine very loose matches.
> He would like to change the minimum seed length, which is hard-coded into
> Blast, from 7 to 5.  Does anyone know a backdoor way, ie undocumented
> parameter, which could do this?  Or, where we might find the blast source
> code so we can make this change manually?
>
> Tim Harsch
> Computer Scientist
> Lawrence Livermore National Laboratory
> (925) 423-1135
>
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