[Term] id: PR:000074480 name: GTP cyclohydrolase 1 citrullinated 1 (human) def: "A GTP cyclohydrolase 1 (human) that has been citrullinated on the residue at the position equivalent to Arg-97 of the amino acid sequence represented by UniProtKB:P30793-1. Example: UniProtKB:P30793-1, Arg-97, MOD:00219." [PRO:DNx, IEDB_epitope:1781563] comment: Category=organism-modification. synonym: "hGCH1/Cit:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P30793, Arg-97, MOD:00219" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P30793-1, Arg-97, MOD:00219" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P30793 ! GTP cyclohydrolase 1 (human) relationship: has_part MOD:00219 ! L-citrulline relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens