Process Chemistry Ontology	WikiPathways	Source
http://vocabularies.wikipathways.org/wp#Metabolite	http://purl.obolibrary.org/obo/CHEBI_25212	LOOM
http://www.biopax.org/release/biopax-level3.owl#Protein	http://purl.obolibrary.org/obo/PR_000000001	LOOM
http://vocabularies.wikipathways.org/wp#Protein	http://purl.obolibrary.org/obo/PR_000000001	LOOM