Stanford releases GO::Termfinder modules
GO::TermFinder will take a list of genes (any name that appears in
an annotation file will do, though there are caveats for ambiguous names),
an ontology file, and an annotation file, and determine the P_values for
the observed frequency of annotation to those genes for each GO node.
There are currently some differences between how the P-values are
The full announcement can be read here:
http://bio.perl.org/pipermail/bioperl-l/2003-March/011707.html