Immunogen sequence: CVWDQFLGEI NPQHSWMVAG PLLDIKAEPG AVEAVHLPHF VALQGGHVDT SLFQMAHFKE EGMLLEKPAR VELHHIVLEN PSFSPLGVLL KMIHNALRFI PVTSVVLLYH RVHPEEVTFH LYLIPSDCSI RK. NALP1 is a member of the Ced-4 family of apoptosis proteins. Ced-family members contain