METPO	BRENDA Tissue and Enzyme Source Ontology	Source
http://purl.obolibrary.org/obo/GO_0046903	http://purl.obolibrary.org/obo/BTO_0002979	LOOM
http://purl.obolibrary.org/obo/MICRO_0001446	http://purl.obolibrary.org/obo/BTO_0002258	LOOM
https://w3id.org/metpo/0000058	http://purl.obolibrary.org/obo/BTO_0002258	LOOM
http://purl.obolibrary.org/obo/CL_0000151	http://purl.obolibrary.org/obo/BTO_0003659	LOOM
https://w3id.org/metpo/0000218	http://purl.obolibrary.org/obo/BTO_0000351	LOOM
http://purl.obolibrary.org/obo/MICRO_0001450	http://purl.obolibrary.org/obo/BTO_0002256	LOOM
https://w3id.org/metpo/0000061	http://purl.obolibrary.org/obo/BTO_0002256	LOOM
https://w3id.org/metpo/0000235	http://purl.obolibrary.org/obo/BTO_0001171	LOOM
http://purl.obolibrary.org/obo/NCBITaxon_1	http://purl.obolibrary.org/obo/BTO_0001188	LOOM
https://w3id.org/metpo/0000221	http://purl.obolibrary.org/obo/BTO_0000463	LOOM
http://purl.obolibrary.org/obo/UBERON_0000922	http://purl.obolibrary.org/obo/BTO_0000379	LOOM