[Term] id: PR:000000476 name: smad4 isoform 1 phosphorylated form def: "A smad4 isoform 1 that includes at least one phosphorylated residue." [PRO:CNA] comment: Category=modification. synonym: "SMAD4/iso:1/PhosRes+" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000000366 ! smad4 isoform 1 intersection_of: has_part MOD:00696 ! phosphorylated residue