[Term]
id: PR:000000524
name: activin receptor type-1 isoform 1, signal peptide removed phosphorylated 1
def: "An activin receptor type-1 isoform 1, signal peptide removed phosphorylated form in which the phosphorylation occurs at Ser/Thr residues within the GS-motif region (GSGSGLP and surrounding sequence) by the activated activin receptor type-2 (PR:000000528 or PR:000000529)." [PRO:CNA]
comment: Category=modification.
synonym: "ACVR1/iso:1/SigPep-/Phos:1" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000000411 ! activin receptor type-1 isoform 1, signal peptide removed phosphorylated form
relationship: has_part MOD:00696 ! phosphorylated residue