x1 = L
x2 = R
x3 = flip
x4 = pC8
x5 = C8
x6 = C6
x7 = BAR
x8 = pC3
x9 = C3
x10 = Bid
x11 = tBid
x12 = pC6
x13 = XIAP
x14 = C3_Ub
x15 = PARP
x16 = CPARP
x17 = Smac
x18 = Bcl2c
x19 = Bax
x20 = Bax_hash
x21 = Bcl2
x22 = L_R
x23 = R_hash
x24 = flip_R_hash
x25 = R_hash_pC8
x26 = C6_pC8
x27 = BAR_C8
x28 = C8_pC3
x29 = pC3_Apop
x30 = Apop
x31 = C8_Bid
x32 = C3_pC6
x33 = XIAP_C3
x34 = PARP_C3
x35 = Apop_XIAP
x36 = Smac_XIAP
x37 = Bcl2c_tBid
x38 = Bax_tBid
x39 = Baxm_Bcl2
x40 = Bax4
x41 = Bax2_Bcl2
x42 = Bax4_Bcl2
x43 = M
x44 = Bax4_M
x45 = M_hash
x46 = Smacm
x47 = M_hash_Smacm
x48 = Smacr
x49 = CytoCm
x50 = M_hash_CytoCm
x51 = CytoCr
x52 = CytoC
x53 = Apaf
x54 = CytoC_Apaf
x55 = Apaf_hash
x56 = pC9
x57 = Baxm
x58 = Bax2