10          20        30        40          50       
CAGUAGCUUUCUGCUUU--    U  U                 --|     U  AGGAA 
                   GCAG CU CUGUUAGUUUUGCAUAG  UUGCAC AC     G
                   UGUC GG GGUAGUCAAAACGUAUC  AACGUG UG     A
GAGGAACUACAUCUAAUAU    C  U                 UA^     U  AUGUA 
      110       100        90        80        70        60