[Term] id: PR:000000666 name: smad9 isoform 1 phosphorylated 1 def: "A smad9 isoform 1 phosphorylated form in which the phosphorylation occurs at the C-terminal SSxS motif as a result of the activation of the bone morphogenetic protein (BMP) signaling pathway. Example: UniProtKB:Q9JIW5-1, Ser-428/Ser-430, MOD:00046." [PMID:15542835] comment: Category=modification. synonym: "phospho-R-smad9" RELATED [] synonym: "SMAD9/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000585 ! smad9 isoform 1 phosphorylated form relationship: has_part MOD:00046 ! O-phospho-L-serine