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:000000038	BMP receptor-regulated smad protein	R-SMAD(BMP)		acts_upstream_of_or_within	GO:0030509	BMP signaling pathway			PANTHER:PTHR13703:SF19|PIRSF:PIRSF500500	ISS		PANTHER:PTHR13703:SF19|PIRSF:PIRSF500500	PANTHER:PTHR13703:SF19|PIRSF:PIRSF500500	20080301	PRO:CNA