On Fri, Nov 21, 2008 at 6:53 AM, Daren Tan <daren76@hotmail.com> wrote:

>
> I have a set of differentially expressed genes, and want to know what are
> their GO terms, and pathway that they reside in. I have installed GO.db and
> KEGG.db, but unsure how to get started.
>
> For examples, genes <- c("TP53", "SOX4", "PTEN"), whats next ?
>

What expression array are you using?  The simplest way to do this is to get
the annotation package for that chip and then use the array identifiers (not
gene symbols) to look up the information in the chip-based annotation
package.

Sean

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