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. 2010 Mar 31;5(3):e9924. doi: 10.1371/journal.pone.0009924

Figure 8. MOMP formation in PC-3 mitochondria in response to ABT-737.

Figure 8

A. Bax, Bak and Bim are sequestred by Bcl-2, Bcl-xL and Mcl-1 at the outer mitochondrial membrane. B. In response to ABT-737, Bax, Bak and Bim proteins are liberated from Bcl-2 and Bcl-xL but not from Mcl-1L. Thus Bim can directly enhance Bax and Bak oligomerization triggering MOMP formation (C) and release of pro-apoptotic proteins such as cytochrome c in the cytosol.