Orthology Ontology	Life Ontology	Source
http://purl.obolibrary.org/obo/INO_0000013	http://purl.obolibrary.org/obo/CDAO_0000140	LOOM
http://purl.obolibrary.org/obo/OGG_0000000002	http://purl.org/net/orth#Gene	LOOM
http://purl.obolibrary.org/obo/LifO_0000005	http://purl.org/net/orth#Organism	LOOM
http://purl.obolibrary.org/obo/PR_000000001	http://purl.org/net/orth#Protein	LOOM
http://purl.obolibrary.org/obo/OGG_0000000002	http://purl.obolibrary.org/obo/SO_0000704	LOOM
http://purl.obolibrary.org/obo/LifO_0000005	http://purl.obolibrary.org/obo/NCIT_C14250	LOOM