10 20 30 40 50 CCAGUAUAAAAAGUAUGA- AU-| C UU C UGGUGU GA GU AUCC GAGUAUUACAU AGGUACUGA A CU CA UGGG CUUAUAGUGUG UCCGUGACU U UUGGUCGAUCACAACUUUA CGU^ U UU U CAACUC . 110 100 90 80 70 60