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:000025947	smad2-smad4 protein complex 4 (human)	h(SMAD2:SMAD4):4		located_in	GO:0005737	cytoplasm			PMID:11027280	EXP	NCBITaxon:9606			20101005	PRO:CNA	
PR:000025947	smad2-smad4 protein complex 4 (human)	h(SMAD2:SMAD4):4		acts_upstream_of_or_within	GO:0030512	negative regulation of transforming growth factor beta receptor signaling pathway			PMID:11027280	EXP	NCBITaxon:9606			20101005	PRO:CNA