x1 = UFPT
x2 = BiUFP
x3 = BiRE1
x4 = BiATF
x5 = BiPER
x6 = IRE1A
x7 = PERKA
x8 = mXbp1u
x9 = mXbp1s
x10 = Xbp1s
x11 = mBiPT
x12 = BiPT
x13 = ATF6T
x14 = ATF6GB
x15 = ATF6p50
x16 = mWFS1
x17 = WFS1
x18 = ATF4
x19 = mCHOP
x20 = CHOP
x21 = mGADD34
x22 = GADD34
x23 = BCL2T
x24 = BAXmT
x25 = BH3T
x26 = BAXmBCL2
x27 = BH3BCL2