(E) Bim-S does not bind to LC8. BimEL-EE (EL)/vector (IP negative control), BimEL-EE (EL)/Myc-LC8, BimL-EE (L)/Myc-LC8, or BimS-EE (S)/Myc-LC8 were transfected into HeLa cells. Anti-Myc (Rabbit) was used for immunoprecipitation. 