[Term] id: PR:000084120 name: IST1 homolog citrullinated 1 (human) def: "An IST1 homolog (human) that has been citrullinated on the residue at the position equivalent to Arg-109 of the amino acid sequence represented by UniProtKB:P53990-1. Example: UniProtKB:P53990-1, Arg-109, MOD:00219." [PRO:DNx, IEDB_epitope:911970] comment: Category=organism-modification. synonym: "hIST1/Cit:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P53990, Arg-109, MOD:00219" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P53990-1, Arg-109, MOD:00219" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P53990 ! IST1 homolog (human) relationship: has_part MOD:00219 ! L-citrulline relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens