Apg4a, ATG4 autophagy related 4 homolog A (S. cerevisiae), ATG4A, ATG4A_HUMAN, Atg4al, AUT like 2 cysteine endopeptidase, AUT-like 2 cysteine endopeptidase, Autl2, Autophagin 2, Autophagin-2, Autophagy related 4A cysteine peptidase, Autophagy related cysteine endopeptidase 2, Autophagy related protein 4 homolog A, Autophagy-related cysteine endopeptidase 2, Autophagy-related protein 4 homolog A,AV169859, Cysteine protease ATG4A, hAPG4A