[Term] id: PR:000085347 name: interleukin-21 receptor cysteinylated 2 (human) def: "An interleukin-21 receptor (human) that has been cysteinylated on the residue at the position equivalent to Cys-284 of the amino acid sequence represented by UniProtKB:Q9HBE5. UniProtKB:Q9HBE5, Cys-284, MOD:00765." [PRO:DNx, IEDB_epitope:927617] comment: Category=organism-modification. synonym: "hIL21R/Cyst:2" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q9HBE5, Cys-284, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q9HBE5 ! interleukin-21 receptor (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens