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:000000027	smad protein			enables	GO:0005515	protein binding			PIRSF:PIRSF037286	ISS		PIRSF:PIRSF037286	PIRSF:PIRSF037286	20080301	PRO:CNA	
PR:000000027	smad protein			acts_upstream_of_or_within	GO:0006355	regulation of DNA-templated transcription			PIRSF:PIRSF037286	ISS		PIRSF:PIRSF037286	PIRSF:PIRSF037286	20080301	PRO:CNA	
PR:000000027	smad protein			acts_upstream_of_or_within	GO:0007165	signal transduction			PIRSF:PIRSF037286	ISS		PIRSF:PIRSF037286	PIRSF:PIRSF037286	20080301	PRO:CNA