0 2 0 http://purl.obolibrary.org/obo/SO_0002150 AUG_initiated_uORF 'AUG_initiated_uORF' SubClassOf 'uORF' http://purl.obolibrary.org/obo/SO_0002151 non_AUG_initiated_uORF 'non_AUG_initiated_uORF' SubClassOf 'uORF'