Hi everybody,

I have a problem working with GO annotations.
I would like to group my data according to their GO categories, but only of
one level.
I have a data.frame (three columns: WT, mutation, mean(WT/mutation) and ca.
3150 rows)
row.names    mut    WT    WT_mut
1737_Sepsecs    0.6924728    0.00728067    95.111137
1478_Ube2m    4.6102070    0.11428570    40.339316
2807_Pla2g4c    1.7234250    0.04276977    40.295400
2361_Trmt5    1.0203870    0.03652034    27.940238

I also have the GO categories for each of this rows( the names are MGI
symbols from the mouse genome).

Unfortunately I have ALL the GO annotations. I would like to filter them
according to the GO categories of a specific level(!). It doesn't matter
whether 'MF', 'BP' or 'CC' yet.
But I couldn't find anywhere a way of extracting just that.

I would like to know whether there is a way of extracting GO annotations of
a specific level from the GO annotation package.

Thanks in advance

Assa Yeroslaviz

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