10 20 30 40 50 CACAAGUGUUUCCCAGU-- UG GUU -- -| C GUGACU GU UGGCU UGG GUUCCUGGC AUG UGAUUU U CA ACCGA ACC UAGGGACCG UAC ACUAAA A AAAGUAUUGUCGUCGGUAC GU GAC AU U^ - AUUAAA . 110 100 90 80 70 60