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:000025944	smad2-smad4 protein complex 1 (mouse)	m(SMAD2:SMAD4):1		located_in	GO:0005634	nucleus			PMID:12672795	EXP	NCBITaxon:10090			20101005	PRO:CNA	
PR:000025944	smad2-smad4 protein complex 1 (mouse)	m(SMAD2:SMAD4):1		acts_upstream_of_or_within	GO:0007179	transforming growth factor beta receptor signaling pathway			PMID:12672795	EXP	NCBITaxon:10090			20101005	PRO:CNA