Biological interlocked Process Ontology for metabolism	Biomedical Informatics Research Network Project Lexicon	Source
http://purl.obolibrary.org/obo/BiPOm#protein_complex	http://bioontology.org/projects/ontologies/birnlex#birnlex_24	LOOM
http://purl.obolibrary.org/obo/BiPOm#protein	http://bioontology.org/projects/ontologies/birnlex#birnlex_23	LOOM