Prediction of Drugs Target Groups Based on ChEBI Ontology

Table 1

The number of drugs in each group.

Index	Target group	Number of drugs
		Training dataset	Test dataset	Total
1	G Protein-coupled Receptors	272	35	307
2	Nuclear Receptors	82	13	95
3	Ion Channels	109	9	118
4	Enzymes	325	31	356
—	Total	788	88	876