[Term] id: PR:000000498 name: BMP receptor type-1A isoform 1 phosphorylated 1 def: "A BMP receptor type-1A isoform 1 phosphorylated form in which the phosphorylation occurs within the GS-motif by BMP receptor type-2 upon BMP ligand binding." [PRO:CNA, PMID:12829744] comment: Category=modification. synonym: "BMPR1A/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000382 ! BMP receptor type-1A isoform 1 phosphorylated form relationship: has_part MOD:00046 ! O-phospho-L-serine