[Term] id: PR:000075491 name: nuclear factor NF-kappa-B p105 subunit cysteinylated 1 (human) def: "A nuclear factor NF-kappa-B p105 subunit (human) that has been cysteinylated on the residue at the position equivalent to Cys-666 of the amino acid sequence represented by UniProtKB:P19838-1. Example: UniProtKB:P19838-1, Cys-666, MOD:00765." [PRO:DNx, IEDB_epitope:1050024] comment: Category=organism-modification. synonym: "hNFKB1/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P19838, Cys-666, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P19838-1, Cys-666, MOD:00765" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P19838 ! nuclear factor NF-kappa-B p105 subunit (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens