x1 = Akt
x2 = AktPIP3
x3 = AktPIP
x4 = AktPIPP
x5 = ERK
x6 = ERKP
x7 = ERKPP
x8 = GS
x9 = HRG
x10 = MEK
x11 = MEKP
x12 = MEKPP
x13 = PI3K
x14 = PI3Kstar
x15 = PIP3
x16 = R
x17 = RP
x18 = RHRG
x19 = RHRG2
x20 = RPI3K
x21 = RPI3Kstar
x22 = RShGS
x23 = RShP
x24 = RShc
x25 = Raf
x26 = Rafstar
x27 = RasGDP
x28 = RasGTP
x29 = ShGS
x30 = ShP
x31 = Shc
x32 = P_I
x33 = internalization
x34 = E
x35 = MKP3
x36 = PP2A