[Term] id: PR:000000412 name: activin receptor type-1B isoform 1 phosphorylated form def: "An activin receptor type-1B isoform 1 that includes at least one phosphorylated residue." [PRO:CNA] comment: Category=modification. synonym: "ACVR1B/iso:1/PhosRes+" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000000201 ! activin receptor type-1B isoform 1 intersection_of: has_part MOD:00696 ! phosphorylated residue