Orthology Ontology	Plant Experimental Conditions Ontology	Source
http://purl.obolibrary.org/obo/SO_0000104	http://purl.obolibrary.org/obo/CHEBI_15841	LOOM
http://purl.org/net/orth#Protein	http://purl.obolibrary.org/obo/CHEBI_36080	LOOM