tBID binds to inactive BAK protein tBID activates BAK protein Oligomerization of BAK at the mitochondrial membrane Activation and oligomerization of BAK protein GENE ONTOLOGYGO:1901030 Reactome Database ID Release 43111452 Reactome, http://www.reactome.org ReactomeREACT_707 tBID binds to its mitochondrial partner BAK to release cytochrome c. Activated tBID results in an allosteric activation of BAK. This may induce its intramembranous oligomerization into a pore for cytochrome c efflux. subpathway of human intrinsic apoptosis pathway