Programmed cell death activator EGL-1
Initiation of programmed cell death in C.elegans occurs by the binding of EGL-1 to CED-9 which disrupts a complex involving CED-4/CED-9 and allows CED-4 to activate CED-3, a caspase. It is the C terminal domain of EGL-1 which is involved in the formation of the complex with CED-9. The formation of the complex induces structural rearrangements in CED-9 and EGL-1 adopts an extended alpha-helical conformation.
Jiyao W et al.(2023). "The conserved domain database in 2023.",