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:000000029	thrombospondin subgroup A			enables	GO:0004866	endopeptidase inhibitor activity			PIRSF:PIRSF002478	ISS		PIRSF:PIRSF002478	PIRSF:PIRSF002478	20080301	PRO:CNA	
PR:000000029	thrombospondin subgroup A			enables	GO:0008201	heparin binding			PIRSF:PIRSF002478	ISS		PIRSF:PIRSF002478	PIRSF:PIRSF002478	20080301	PRO:CNA	
PR:000000029	thrombospondin subgroup A			acts_upstream_of_or_within	GO:0016525	negative regulation of angiogenesis			PIRSF:PIRSF002478	ISS		PIRSF:PIRSF002478	PIRSF:PIRSF002478	20080301	PRO:CNA