Reactome will be unavailable due to host maintenance from Friday, April 27 at 6pm to Sunday, April 29 at 11:55pm.
During the outage, you may wish to use our mirror site at reactome.ncpsb.org.
Smac/DIABLO regulates IAP function. Residues 56-59 of Smac/DIABLO are homologous to the amino-terminal motif that is used by caspase-9 to bind to the BIR3 domain of XIAP. Binding of Smac/DIABLO to XIAP thus displaces caspase-9 from the XIAP:Caspase complex (reviewed in Salvesen et al., 2002).