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Old 05-15-2012, 01:19 PM   #1
Avila
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Location: México

Join Date: Apr 2012
Posts: 4
Default Help with Blast and nr database

Hello.

I have a list of contigs that I would like them Blast on my computer (BioLinux 6), my question is how to use the nr database (preformatted, nr.00.tar.gz ... nr.06.tar.gz) I decompressed tar xzvf files, creating files with extension. phd. phi. phr. pin. pnd. pni. pog. ppi. psd. psi. psq But not to do with them, I found the following with formatdb:

"Please note that formatdb does not create non-redundant blast databases"

That means you can run blastall as are the files or format it with another program and not formatdb?

Thanks
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Old 05-16-2012, 05:05 AM   #2
GenoMax
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Location: East Coast USA

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Default

Are you interested in blasting your contigs against the preformatted "nr" database?

If that is correct then have a look at this link: http://www.ncbi.nlm.nih.gov/books/NBK1763/
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