[Bioperl-l] no blast result

Zhang chn zhangchnxp at gmail.com
Mon Sep 12 05:51:59 UTC 2011


Hi,

IMHO, due to the nature of BLAST, it is usually impossible to get no results
from random sequence, but to get a set of matches with lower scores.

What you can do is to focus on the e-value, say, setting a threshold to it.

FYI, http://www.ncbi.nlm.nih.gov/BLAST/tutorial/Altschul-1.html

On Mon, Sep 12, 2011 at 1:37 PM, Manju Rawat <manju.rawat2 at gmail.com> wrote:

> Hello,
> I want to make a program which first generate the random sequence and then
> gives me that result(sequence) which have no blast result(no matches in any
> database/or particular database).Is there any body who can help me in doing
> this.
>
> Pl reply if anybody knows about it..
> Thanks
> Manju
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