How To Find Gene - Probe Mapping For A Specific Affymetrix Platform
Hi all, I am trying to map gene symbol to probe and viceversa for a specific affymetrix platform ([HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array).. I have downloaded library files from Affymetrix website , I have searched through the zip but I am unable to find where is defined the gene-probe mapping. I have searched on Google and Biostars but without any result.. Where can I find it?
Thanks
1 answer
I found it here under "Current NetAffx Annotation Files"
In this case the last updated annotation file is this.
OLD answer:
With R and bioconductor I find it:
library(hgu133plus2.db)
x = unlist(as.list(hgu133plus2SYMBOL))
It is not a general answer becase it is specific to this platform. Hope this helps..
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