Ontology of Laboratory Animal Science Protein-ligand interaction ontology Source
http://purl.obolibrary.org/obo/BFO_0000001 http://www.semanticweb.org/ontologies/2010/3/Ontology1271664172453.owl#Entity LOOM
http://purl.obolibrary.org/obo/PR_000000001 http://www.semanticweb.org/ontologies/2010/3/Ontology1271664172453.owl#protein LOOM