10         20         30        40        50        60        70        80  
CCCCCUCCCAACGCGGGAA-  CU-|      A        GGU        CCA   UGGAAUGCCCCCCAUUGAUUUUUUC 
                    GA   CGCCGGC AUGACACU   UAUCUUUU   UCG                         C
                    CU   GCGGCCG UACUGUGG   AUGGAAAG   AGC                         C
CUCCUUAUGAACUCCUUCUA  AGU^      A        GCU        ---   AAAGGUUAAAAAAGGGGGGCUUUUC 
 160       150       140       130       120          110       100        90