Sequence Types and Features Ontology	Pseudogene	Source
http://purl.obolibrary.org/obo/SO_0001759	http://purl.obolibrary.org/obo/PGO_0000004	LOOM
http://purl.obolibrary.org/obo/SO_0000043	http://purl.obolibrary.org/obo/PGO_0000006	LOOM
http://purl.obolibrary.org/obo/SO_0001758	http://purl.obolibrary.org/obo/PGO_0000005	LOOM
http://purl.obolibrary.org/obo/SO_0000865	http://purl.obolibrary.org/obo/PGO_0000020	LOOM