x1 = RanGDP_nuc
x2 = RCC1_RanGDP
x3 = GDP
x4 = RCC1
x5 = RCC1_RanGTP
x6 = RCC1_Ran
x7 = GTP
x8 = RanGTP_nuc
x9 = RanGAP
x10 = RanBP1
x11 = RanGTP_cy
x12 = RanGTP_RanBP1
x13 = RanGDP_cy