However, after ischemia, IP hearts show as much loss of Bcl‐xL as control hearts, yet treatment of fibers with G‐6‐P at pH 6.3 to dissociate mtHK2 was still without effect on cytochrome c stimulation of either state 3 respiration or H2O2 production (Figure 10). Here, BCL2L1 is linked to ischemia.