[Term] id: PR:000078655 name: cytochrome c oxidase subunit 4 isoform 1, mitochondrial cysteinylated 1 (human) def: "A cytochrome c oxidase subunit 4 isoform 1, mitochondrial (human) that has been cysteinylated on the residue at the position equivalent to Cys-20 of the amino acid sequence represented by UniProtKB:P13073. UniProtKB:P13073, Cys-20, MOD:00765." [PRO:DNx, IEDB_epitope:2124763, IEDB_epitope:2129398, IEDB_epitope:2129623, IEDB_epitope:2129624, IEDB_epitope:2129625] comment: Category=organism-modification. synonym: "hCOX4I1/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P13073, Cys-20, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:P13073 ! cytochrome c oxidase subunit 4 isoform 1, mitochondrial (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens