[Term] id: PR:000073484 name: peptide chain release factor 1, mitochondrial cysteinylated 1 (human) def: "A peptide chain release factor 1, mitochondrial (human) that has been cysteinylated on the residue at the position equivalent to Cys-216 of the amino acid sequence represented by UniProtKB:O75570-1. Example: UniProtKB:O75570-1, Cys-216, MOD:00765." [PRO:DNx, IEDB_epitope:1565251] comment: Category=organism-modification. synonym: "hMTRF1/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:O75570, Cys-216, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:O75570-1, Cys-216, MOD:00765" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:O75570 ! peptide chain release factor 1, mitochondrial (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens