10        20          30        40        50        60
GUGGCCUGCCAUGAUCUCUU--| U      CUA           CAUUC     UGUGGA 
                      CC GCAGCC   CGUGGAUAAGG     UAUUU      U
                      GG UGUCGG   GCACCUAUUUC     AUAAA      U
GUAAACCGACGUUUCAAGAAAC^ U      AG-           ACUA-     ACCGUA 
.       110       100        90         80         70