10          20        30        40        50        
GUAACCAAUACUAAUCUU--|        UAC        UGG  U        UUUAC 
                    CGCAUUUCU   CUGGAAGU   GA GGCUUUUA     \
                    GUGUAGAGG   GACUUUCA   CU CUGAAAAU     A
UCGACACAAUUCAUAAUUCU^        CUU        UCA  U        GUUCU 
     110       100        90        80        70        60