10 20 30 40 50 UUAAUCCUGUUACAGAA--| A UG U C GUAUCCA GGCUGUC CC GU CAAGUAAUC AGGAUAGGCU \ CCGACGG GG CA GUUCAUUGG UCUUAUCCGG U AGGAGUAAACGUCGUGACG^ A GU C U UCGUCCU . 110 100 90 80 70