[Term]
id: PR:000000658
name: smad3 isoform 1 phosphorylated 1
def: "A smad3 isoform 1 phosphorylated form in which the phosphorylation occurs at the C-terminal SSxS motif as a result of the activation of the transforming growth factor beta signaling pathway. Example: UniProtKB:P84022-1, Ser-423/Ser-425, MOD:00046." [PMID:8774881]
comment: Category=modification.
synonym: "SMAD3/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx]
synonym: "smad3 active" EXACT []
synonym: "TGF-beta receptor-activated smad3" RELATED []
is_a: PR:000000578 ! smad3 isoform 1 phosphorylated form
relationship: has_part MOD:00046 ! O-phospho-L-serine