National Drug File - Reference Terminology Enzyme Structure Function Ontology Source
http://purl.bioontology.org/ontology/STY/T001 http://www.semanticweb.org/shoshana/ontologies/2014/8/untitled-ontology-8#Organism LOOM
http://purl.bioontology.org/ontology/STY/T126 http://www.semanticweb.org/shoshana/ontologies/2014/8/untitled-ontology-8#Enzyme LOOM