10 20 30 40 50 GCUUGGUGACUAUAGAUA-- U CCU A - -| U UGAC CC GCU GUCAGUUU GC UGG UUUGCA CAGC U GG CGG CAGUCAAA CG ACC AAACGU GUCG A UCGUUAAGGUCUCUCGGAAG U UGU A U U^ - UGUU 110 100 90 80 70 60