10          20        30         40        50     
UGACACGGAAUAGGUUU--|    UU  UC  A-          U    A   AAUU 
                   CUGAG  CC  CA  UUCAAAUAUC ACUG UGG    \
                   GACUC  GG  GU  AAGUUUAUGG UGAC ACC    U
GCAAUUAGGAGACGAGUCA^    U-  GU  CC          U    A   UUAA 
 .       100        90         80        70        60