10        20        30              40        50        60        70     
UUAUAUGUGCGAAAUUCAACGAUCGUUAUC    ------|    A        UU    AACGGAUGAACAUUAACCAA 
                              GUGU      UUGGA UGGUCUCG  AGCU                    A
                              CACG      AAUCU ACCAGAGC  UUGA                    G
ACCUUUAAACGUAUACCUUUCUUUGC----    UUACCU^    C        U-    UGUGAUGCGGCAUUCCACGC 
 .       140       130           120       110        100        90        80