x1 = acc
x2 = toc1_mrna
x3 = toc1_1
x4 = toc1_2
x5 = cca1_mrna
x6 = cca1_c
x7 = cca1_n
x8 = toc1luc_mrna
x9 = toc1luc_1
x10 = toc1luc_2
x11 = cca1luc_mrna
x12 = cca1luc
x13 = luc_mrna
x14 = luc