Read Codes, Clinical Terms Version 3 (CTV3)	Protein Modification Ontology	Source
http://purl.bioontology.org/ontology/RCD/Ub09T	http://purl.obolibrary.org/obo/MOD_01064	LOOM
http://purl.bioontology.org/ontology/RCD/XaDdI	http://purl.obolibrary.org/obo/MOD_00219	LOOM
http://purl.bioontology.org/ontology/RCD/XaDdK	http://purl.obolibrary.org/obo/MOD_01626	LOOM
http://purl.bioontology.org/ontology/RCD/X794H	http://purl.obolibrary.org/obo/MOD_00194	LOOM
http://purl.bioontology.org/ontology/RCD/X7928	http://purl.obolibrary.org/obo/MOD_00008	LOOM