10 20 30 40 50 60 GUGUACAAUAUUGAAAUC--| A GCA GCU GGUCUUU CUCUAG GGG GGACUUAGCUG CUGUGAACA U GGGGUC CCC CUUGAAUCGGU GACACUUGU G AUAUAUAUAUCUUCAUACAA^ A AAC --- AACUUGU 120 110 100 90 80 70