[Term] id: PR:000025969 name: smad2-smad4 protein complex 3 def: "A smad2-smad4 protein complex that contains smad4 and the long isoform of SMAD2 phosphorylated by ERK1." [PMID:12193595] comment: Category=complex. synonym: "(SMAD2:SMAD4):3" EXACT PRO-short-label [PRO:DAN] is_a: GO:0071144 ! heteromeric SMAD protein complex relationship: has_component PR:000000651 ! smad2 isoform Long phosphorylated 2 relationship: has_component PR:000000366 ! smad4 isoform 1