[Term] id: PR:000075521 name: growth/differentiation factor 8 phosphorylated 1 (human) def: "A growth/differentiation factor 8 (human) that has been phosphorylated on the residue at the position equivalent to Ser-73 of the amino acid sequence represented by UniProtKB:O14793. UniProtKB:O14793, Ser-73, MOD:00046." [PRO:DNx, IEDB_epitope:2149271] comment: Category=organism-modification. synonym: "hMSTN/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:O14793, Ser-73, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:O14793 ! growth/differentiation factor 8 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens