[Term] id: PR:000000661 name: smad5 isoform 1 phosphorylated 1 def: "A smad5 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:Q99717-1, Ser-463/Ser-465, MOD:00046." [PMID:8637600] comment: Category=modification. synonym: "SMAD5/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000580 ! smad5 isoform 1 phosphorylated form relationship: has_part MOD:00046 ! O-phospho-L-serine