Alternatively, look into dbfetch and wsdbfetch Web Services:

http://www.ebi.ac.uk/dbfetch

http://www.ebi.ac.uk/Tools/webservices

All the EMBOSS applications are available under WSDBFetch/SOAPLAB.

R:)


Peter Rice wrote:
Jay wrote:
I have a large file with sequences in fasta format. They have IDs.

Is there any EMBOSS way to retrieve sequences by inputting a text file with
a short listed IDs?

With EMBOSS you can refer to sequences in the file:

filename:id

You can also put a list of these into a file, and use that with
@listfilename

But this can be slow - it will read the file for each ID. You can also
index the file with dbxfasta (or dbifasta) as a private database then
define a database in your .embossrc file and use the dbname:id syntax
(again you can use a list file, but it will be much faster)

Hope this helps. If you need more help setting up please ask again!

regards,

Peter
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