10 20 30 40 50 GCUCUCGGCAGAAUCGC-- C U -| GAGGAU UCG UGUUCC UUUUCCUAUG CAUAUACUUCUUU \ AGU ACGAGG AAAAGGGUAC GUAUAUGGAGAAA C UCACGACUACUCCUCCUGG A U G^ UCCGGU 110 100 90 80 70 60