[Term] id: PR:000077725 name: interleukin-21 receptor phosphorylated 1 (human) def: "An interleukin-21 receptor (human) that has been phosphorylated on the residue at the position equivalent to Ser-170 of the amino acid sequence represented by UniProtKB:Q9HBE5. UniProtKB:Q9HBE5, Ser-170, MOD:00046." [PRO:DNx, IEDB_epitope:2145914] comment: Category=organism-modification. synonym: "hIL21R/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q9HBE5, Ser-170, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q9HBE5 ! interleukin-21 receptor (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens