Diablo, also known as SMAC, encodes the human gene, Diablo, IAP-binding mitochondrial protein. It may also be known as: Diablo homolog, mitochondrial; Direct IAP-binding protein with low pI; Second mitochondria-derived activator of caspase; DFNA64. The encoded protein has an amino acid length of 239 and a mass of 27.1 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog, Chicken.