10          20        30        40        50          
AUAUAAGAAGAAAUUUGAU--| A   U  GC     AGA       U       GGGUUC 
                     GA CCU AG  AGGCC   AUGAGUG CAAUGUU      \
                     CU GGG UC  UCCGG   UGCUCAC GUUAUAA      A
CGAGGUUGGCGACUUAGACAU^ A   U  UA     CCC       -       UAAGGU 
.       110       100        90        80         70