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