[BioC] Human Exon array annotation problem.

[Michal Okoniewski]

Dear Fabrice, 

This probeset happens to match 3 location in the genome (variants/paralogs
of EIF3F on chr2, 11, 21), see http://xmap.picr.man.ac.uk/
The good thing is that it does in a uniform way for all 4 probes - so most
likely 
matches a specific domain for 3 variants of EIF3F gene. Which variant
is most pronounced in your case you can check with other probesets, eg:
3925009.

Cheers, 
Michal 

On 5/16/11 2:02 AM, "Fabrice Tourre" <fabrice.ciup at gmail.com> wrote:

>Dear list,
>
>Now I am working on Affy Human Exon 1.0 array, when I search probeset
>2483547 using probeset.to.gene("2483547") in xmapcore package, it give
>null. But in affy annotation file and websites, both of them given the
>annotation about this probeset is gene EIF3F on chr2. But this gene
>EIF3F is on chr11. How can I get the correctly annotation?
>
>Thank you very much in advance.
>
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