10 20 30 40 50 60 UGCUGGAGUUCGCCACU--| U UU - A U AGCAAUCCU GUCUGGC G UU CGGGUGGAUG CGU GCAAUUUU \ CAGGCCG C AA GUCUACCUAU GCA CGUUAAAA U UCAAGACGGGCUUGACGCA^ - CU U G - AAAAGGGGU 120 110 100 90 80 70