PR:000025951 smad2-smad4-ski protein complex 1 (human) participates_in GO:0030512 negative regulation of transforming growth factor beta receptor signaling pathway PMID:10485843 EXP NCBITaxon:9606 20101005 PRO:CNA Note=Conflicting information with data for complex 2 PR:000025951 smad2-smad4-ski protein complex 1 (human) located_in GO:0005634 nucleus PMID:10485843 EXP NCBITaxon:9606 20101005 PRO:CNA Note=Conflicting information with data for complex 2