an list contains three data.frame named BP, CC, MF.
four columns in each data.frame.
"map0010" or "M00001"
contians how many Genes in this GO term
Genes name
the description of this GO term
Other data:
CPDlist,
Compound_htable,
KO_htable,
KOlist,
Module_htable,
Pathway_htable,
hsa_kegg_pathway,
mmu_kegg_pathway