Natural Products Ontology	Molecular Interactions	Source
http://purl.obolibrary.org/obo/MI_0642	http://www.owl-ontologies.com/NPOntology.owl#EC50	LOOM
http://purl.obolibrary.org/obo/MI_0326	http://www.owl-ontologies.com/NPOntology.owl#Protein	LOOM
http://purl.obolibrary.org/obo/MI_0327	http://purl.bioontology.org/ontology/CHEBI#peptide	LOOM
http://purl.obolibrary.org/obo/MI_0904	http://www.owl-ontologies.com/NPOntology.owl#Polysaccharide	LOOM
http://purl.obolibrary.org/obo/MI_0501	http://www.owl-ontologies.com/NPOntology.owl#Enzyme	LOOM
http://purl.obolibrary.org/obo/MI_0641	http://www.owl-ontologies.com/NPOntology.owl#IC50	LOOM