10 20 30 40 50 UCAGUUCUCCUGGAAAA--| A UG U C GUAUGCA GGCUGUU CC GU CAAGUAAUC AGGAUAGGCU \ CCGACAG GG CA GUUCAUUAG UCUUAUCCGG U CAGACCAGGAGAAACAACA^ A GU C U UUGACGU . 110 100 90 80 70