BH3 only proteins associate with and inactivate anti-apoptotic BCL-XL BH3-only proteins associate with and inactivate anti-apoptotic BCL-2 Sequestration of tBID by BCL-2 PathwayStep4335 PathwayStep4333 PathwayStep4334 BH3-only proteins associate with and inactivate anti-apoptotic BCL-2 members GENE ONTOLOGYGO:2001244 Reactome Database ID Release 43111453 Reactome, http://www.reactome.org ReactomeREACT_330 subpathway of human intrinsic apoptosis pathway