[Term] id: PR:000069073 name: ubiquitin-like modifier-activating enzyme 1 cysteinylated 1 (human) def: "A ubiquitin-like modifier-activating enzyme 1 (human) that has been cysteinylated on the residue at the position equivalent to Cys-444 of the amino acid sequence represented by UniProtKB:P22314-1. Example: UniProtKB:P22314-1, Cys-444, MOD:00765." [PRO:DNx, IEDB_epitope:878012] comment: Category=organism-modification. synonym: "hUBA1/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P22314, Cys-444, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P22314-1, Cys-444, MOD:00765" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P22314 ! ubiquitin-like modifier-activating enzyme 1 (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens