Functional Therapeutic Chemical Classification System	Protein Modification Ontology	Source
http://purl.obolibrary.org/obo/MOD_00219	http://www.drugbank.ca/drugs/DB00155	LOOM
http://purl.obolibrary.org/obo/MOD_01626	http://www.drugbank.ca/drugs/DB00138	LOOM
http://purl.obolibrary.org/obo/MOD_01154	http://www.drugbank.ca/drugs/DB00119	LOOM