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Cellular FLICE-inhibitory protein (c-FLIP), which is involved in regulating the apoptosis of the extrinsic cell death pathway contains two death effector domains (DED). There are several splicing variants including short-form (c-FLIPS) and long-form (c-FLIPL). The death-inducing signaling complex (DISC) initiates apoptosis and programmed necrosis, DISC assembly and activation are regulated by c-FLIP. Here we report the NMR chemical shift assignments of c-FLIPs, which pave the way for investigating the molecular basis of the anti-apoptotic function of c-FLIPS. [ABSTRACT FROM AUTHOR]