[Term] id: PR:000000527 name: activin receptor type-1C isoform 1 phosphorylated 1 def: "An activin receptor type-1C isoform 1 phosphorylated form that is phosphorylated at Ser/Thr residues in the GS-motif by activated activin receptor type-2, and constitutes an active receptor subunit." [PMID:15196700] comment: Category=modification. synonym: "ACVR1C/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000413 ! activin receptor type-1C isoform 1 phosphorylated form relationship: has_part MOD:00696 ! phosphorylated residue