PRO_ID	Object_term	Object_syny	Modifier	Relation	Ontology_ID	Ontology_term	Relative_to	Interaction_with	Evidence_source	Evidence_code	Taxon	Inferred_from	DB_ID	Date	Assigned_by	Comment
PR:P18510-4	interleukin-1 receptor antagonist protein isoform 4 (human)	hIL1RN/iso:4		located_in	GO:0005622	intracellular anatomical structure			PMID:12671514	IC	NCBITaxon:9606	PMID:12671514	UniProtKB:P18510-4	20080922	PRO:CNA