[Term] id: PR:000000650 name: smad2 isoform Long phosphorylated 1 def: "A smad2 isoform Long 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:Q15796-1, Ser-465/Ser-467, MOD:00046." [PMID:8980228, PMID:9346966] comment: Category=modification. synonym: "SMAD2/iso:Long/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "TGF-beta receptor-activated smad2" RELATED [] is_a: PR:000000574 ! smad2 isoform Long phosphorylated form relationship: has_part MOD:00046 ! O-phospho-L-serine