10 20 30 40 50 UUUUAACGUCAAUGACCUGUGACC-- U C-| GUAUCC UAG GAUCCCGAUAUG AAGUACUUGCU \ AUC UUAGGGUUAUAC UUCGUGAAUGA U AAUGGUUACCCAGUAAACAAGAUGUU U UA^ AGUAGA . 110 100 90 80 70 60