10 20 30 40 50 CACGCUUGGUGAUGGAU- - CCU A - -| U UGGC UCCU GCU GUCAGUUU GC UGG UUUGCA CAGC U AGGG CGG CAGUCAAA CG ACC AAACGU GUCG A UCUUUAAGGUCUCUUGAA U UGU A U U^ - UGUC 110 100 90 80 70 60