Anti-ATG4C antibodies are used in the immunodetection of the protein autophagy related 4C cysteine peptidase. In humans, the canonical protein has a reported length of 458 amino acid residues and a mass of 52.5 kDa. Its subcellular localization is in the cytoplasm. It is notably widely expressed in many tissue types. A member of the Peptidase C54 protein family, ATG4C is reported to be a cysteine protease that plays a key role in autophagy by mediating both proteolytic activation and delipidation of ATG8 family proteins. Synonyms for this target antigen include APG4 autophagy 4 homolog C, ATG4 autophagy related 4 homolog C, AUT-like 1, cysteine endopeptidase, AUT-like 3 cysteine endopeptidase, and cysteine protease ATG4C. ATG4C gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species. A number of ATG4C antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. ELISA, Immunofluorescence, and Immunohistochemistry are also common applications.