Drug Interaction Knowledge Base Ontology	ecosim ontology	Source
http://purl.obolibrary.org/obo/ECOSIMCONCEPT_PhysicalEntity	http://www.biopax.org/release/biopax-level3.owl#PhysicalEntity	LOOM
http://purl.obolibrary.org/obo/ECOSIMCONCEPT_Enzyme	http://purl.org/net/drug-interaction-knowledge-base/DIKB_evidence_ontology.owl#Enzyme	LOOM