10            20        30        40        50        60        
UACUUUCUAAGUAUGUUU----|   UA     UU                     GUAGGGCAGUUAUUU 
                      CUCU  UCAGG  GAGGUAGUAGAUUGUAUAGUU               U
                      GAGG  AGUCC  UUCCGUUAUCUAACAUAUCAA               G
CUUCUUAUGACAUCUUAAAAAU^   --     C-                     UAGAGGACUUCUCCC 
     130       120         110        100        90        80        70