[Bioperl-l] nucleotide sequences from peptide id

[Dave Messina]

http://www.bioperl.org/wiki/HOWTO:EUtilities_Cookbook#I_want_a_list_of_database_.27x.27_UIDs_that_are_linked_from_a_list_of_database_.27y.27_UIDs
.


There usually isn't a single nucleotide ID that corresponds to a peptide ID,
although the RefSeq database tries to do this (and Ensembl, sorta). Easiest
might be to download the peptide records and pull out whatever nuc id
crossreferences you prefer.


Dave



On Tue, Apr 19, 2011 at 19:27, shalabh sharma <shalabh.sharma7 at gmail.com>wrote:

> Hi,
>    i have thousands of peptide ids and i want their corresponding
> nucleotide sequences.
> Is there any way i can convert those peptide id to nucleotide ids , because
> then i can use Bio::DB::Genbank to get the sequences , or is their any
> other
> direct way to achieve this.
>
> I would really appreciate if anyone can help me out.
>
> Thanks
> Shalabh
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