Hi René, biomaRt enables you to query anything that Ensembl offers you. Unfortunately as far as I know the information you are looking for is not available from Ensembl. The core, extended and full annotation you'll need to get from affy. Ensembl does it's own mapping of the probes and will only give you a mapping for probes that they found uniquely aligning to the genome, so for your second question they should all be unique I think.
Cheers, Steffen On Mon, Nov 7, 2011 at 7:04 AM, Arek Kasprzyk <[email protected]>wrote: > Hi Rene, > Steffen Durinck (cc'ed here) is our resident expert on biomaRt :) > I am sure he would not mind to comment on this > > a > > On Mon, Nov 7, 2011 at 3:26 AM, René Böttcher < > [email protected]> wrote: > >> Hello everybody, >> >> I was wondering whether biomaRt offers an option to obtain the Affymetrix >> evidence level (core, extended, full) and the probeset uniqueness (unique, >> identical, mixed) for human exon array probeset IDs, as I could not find >> any record when using listAttributes on the hsapiens_gene_ensembl dataset. >> >> Just in case, the link to the Affymetrix glossary can be found here: >> http://www.affymetrix.com/support/help/exon_glossary/index.affx >> >> If biomaRt does not offer this option, is there maybe another way to >> acquire information? >> >> Best regards and many thanks in advance, >> Rene >> >> _______________________________________________ >> Users mailing list >> [email protected] >> https://lists.biomart.org/mailman/listinfo/users >> >> >
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