10 20 30 40 50 GAACAAAGAAACAAUAAA- AC UG -| GC GUACC GGGC C UUU GUGUUCACUGCG UGCCUUGGU \ CCUG G GAA CGUAAGUGGCGC ACGGAAUUA U UUCCAAACUCAACACAUUA AC GU C^ -- ACACU 110 100 90 80 70 60