401	PROTEIN_TREES	ProteinTree.protein_tree_node	Protein-trees
201	ENSEMBL_ORTHOLOGUES	Homology.homology	Orthologues
202	ENSEMBL_PARALOGUES	Homology.homology	Paralogues
402	NC_TREES	NCTree.nc_tree_node	ncRNA-trees
301	FAMILY	Family.family	Families
