10 20 30 40 50 60 AAUGUUUGAAGAGUUUGCU- UA-| AA UUAAUGG GAUCUCUGU GAUAUGUUUGAUAU UUGGUGG \ CUGGAGACA CUGUACAAACUAUG AACCACC U CAAACCAUCCACUUUCCUGU UCA^ -- UGAAAAU . 110 100 90 80 70