[BiO BB] Is it possible to Blast against genBank files
idoerg at burnham.org
Thu Dec 11 18:57:46 EST 2003
jordan swanson wrote:
> I've downloaded and installed blast and some FASTA
> databases for a lab I'm working for. I have a user
> who is blasting (using blastx) against a list of
> clones. Unfortunately, the database files I
> downloaded do not contain enough information for
> her(because they are fasta format)
You mean that the BLAST results only have the Fasta file annotation in
them. Well, AFAIK, the only input to formatdb is Fasta or ASN.1. The
output, anyhow, would be a one-liner.
How about giving her the output in HTML (-T option)? blast automatically
builds a link from each hit to the NCBI page. So using a browser, your
coworker can skim the one-line annotation, and then click & delve into
the more interesting ones.
> This leads me to believe that I need a local copy of
> the genBank files. I've downloaded gbpln[1-9].seq
> from NCBI. (we only need plant files). Is it possible
> to blast against these gb files? Also, what options
> do I need to use on formatdb to create the correct
> index files?
You can only formatdb from ASN.1 or Fasta formats.
> If my questions are out of place here, let me know and
> I'll desist.
> -Jordan M Swanson
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Iddo Friedberg, Ph.D.
The Burnham Institute
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