x1 = Ca_Nuc
x2 = Ca_Cyt
x3 = NFAT_Nuc
x4 = Act_C_Nuc
x5 = NFAT_Pi_Nuc
x6 = NFAT_Act_C_Nuc
x7 = NFAT_Pi_Act_C_Nuc
x8 = Inact_C_Nuc
x9 = NFAT_Cyt
x10 = Act_C_Cyt
x11 = NFAT_Pi_Cyt
x12 = NFAT_Act_C_Cyt
x13 = NFAT_Pi_Act_C_Cyt
x14 = Inact_C_Cyt