Oligomeric Apaf-1 mediates the cytochrome c-dependent autocatalytic activation of pro-caspase 9 (Apaf-3), leading to the activation of caspase-3 and apoptosis. This activation requires ATP.
Specificity
Natural and recombinant Dog Apoptotic protease-activating factor 1
Monomer. Oligomerizes upon binding of cytochrome c and dATP. Oligomeric Apaf-1 and pro-caspase-9 bind to each other via their respective NH2-terminal CARD domains and consecutively mature caspase-9 is released from the complex. Interacts with APIP.