Sequence Types and Features Ontology Gramene Taxonomy Ontology Source
http://purl.obolibrary.org/obo/SO_0001443 http://purl.obolibrary.org/obo/GR_tax_018077 LOOM
http://purl.obolibrary.org/obo/SO_0000360 http://purl.obolibrary.org/obo/GR_tax_060040 LOOM
http://purl.obolibrary.org/obo/SO_0001925 http://purl.obolibrary.org/obo/GR_tax_077517 LOOM