[Term] id: PR:000000571 name: smad1 isoform 1 phosphorylated form def: "A smad1 isoform 1 that includes at least one phosphorylated residue." [PRO:CNA] comment: Category=modification. synonym: "SMAD1/iso:1/PhosRes+" EXACT PRO-short-label [PRO:DNx] intersection_of: has_part MOD:00696 ! phosphorylated residue intersection_of: PR:000000467 ! smad1 isoform 1