[Bioperl-l] Mapping related accession numbers

[Robson Francisco de Souza {S}]

Hi Barry,

On Thu, Aug 19, 2004 at 02:47:42PM -0600, Barry Moore wrote:
> I guess this is a bit off topic since the solution likely won't involve 
> BioPerl, but hopefully you'll let me slide this time.  Given a RefSeq 
> protein sequence (NP_ or XP_) I want to get the associated nucleotide 
> sequence (NM_ or XM_).  Does anyone know of a file I can download that 
> already has that mapped?

To my knowledge, The most complete source for such data is the NCBI Gene
database, accessible both through the Entrez interface and ftp. The file
you are interested in is

ftp://ftp.ncbi.nih.gov/gene/DATA/gene2refseq.gz

Robson

> Barry
> 
> -- 
> Barry Moore
> Dept. of Human Genetics
> University of Utah
> Salt Lake City, UT
> 
> 
> 
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