[Term] id: PR:000000066 name: TGF-beta receptor-regulated smad protein def: "A smad protein that mediates signal transduction through activation of transforming growth factor beta (TGF-beta) or activin pathways." [PMID:11532220] comment: Category=family. synonym: "R-SMAD(TGFB)" EXACT PRO-short-label [PRO:DAN] xref: PIRSF:PIRSF500455 is_a: PR:000000027 ! smad protein