[Term] id: PR:000069522 name: eukaryotic peptide chain release factor subunit 1 cysteinylated 1 (human) def: "A eukaryotic peptide chain release factor subunit 1 (human) that has been cysteinylated on the residue at the position equivalent to Cys-302 of the amino acid sequence represented by UniProtKB:P62495-1. Example: UniProtKB:P62495-1, Cys-302, MOD:00765." [PRO:DNx, IEDB_epitope:883757] comment: Category=organism-modification. synonym: "hETF1/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P62495, Cys-302, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P62495-1, Cys-302, MOD:00765" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P62495 ! eukaryotic peptide chain release factor subunit 1 (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens