FADD -> DISC DISC -> FADD DISC + p55free -> DISCp55 DISCp55 -> p30 p43 -> DISC + p18 DISCp55 -> p43 DISCp55 -> p43 p30 -> DISC + p18 p30 -> DISC + p18 p18 -> p18inactive Bid -> tBid PrNES_mCherry -> PrNES + mCherry PrER_mGFP -> PrER + mGFP