Apaf-1 Oligomerizes into Biologically Active ∼700-kDa and Inactive ∼1.4-MDa Apoptosome Complexes
Apaf-1, by binding to and activating caspase-9, plays a critical role in apoptosis. Oligomerization of Apaf-1, in the presence of dATP and cytochrome c, is required for the acti...