[Term] id: PR:000000656 name: smad2 isoform Short phosphorylated 1 def: "A smad2 isoform Short phosphorylated form in which the phosphorylation occurs at the last two Ser residues within the SSxS C-terminal motif by TGF-beta pathway activation. Example: UniProtKB:Q15796-2, Ser-435/Ser-437, MOD:00046." [PMID:15630024, PMID:17074756, PMID:9873005] comment: Category=modification. synonym: "SMAD2/iso:Short/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "TGF-beta receptor-activated smad2" RELATED [] is_a: PR:000000576 ! smad2 isoform Short phosphorylated form relationship: has_part MOD:00046 ! O-phospho-L-serine