Suppresses apoptosis in a variety of cell systems including factor-dependent lymphohematopoietic and neural cells. Regulates cell death by controlling the mitochondrial membrane permeability. Appears to function in a feedback loop system with caspases. Inhibits caspase activity either by preventing the release of cytochrome c from the mitochondria and/or by binding to the apoptosis-activating factor (APAF-1).
Nencioni L, et al. (2009)J Biol Chem 284, 16004-15. Pattingre S, et al. (2009)J Biol Chem 284, 2719-28. Wei Y, et al. (2008)Mol Cell 30, 678-88.