10 20 30 40 50 GCACCCUGAAUUCUAGU-- U G A --| A G CUGCU GGCU AGUU UA CUCAUCAAA UA CUG GAUAUG A UUGG UCAG GU GAGUAGUUU AU GAC CUAUAC U ACUCUUCACACGGUUUUAU U G C CG^ C A AGUAU . 110 100 90 80 70 60