10        20           30        40        50        60  
UCAACAGUAGUAAACUUUAUUC---| A    A        A        UU     UUUUGUU 
                         GA CGAA GCAUUAUU AAAGGGAA  UGUGA       \
                         CU GUUU CGUGAUAA UUUCUCUU  ACACU       U
AAAAGAAGCAUCAACAUACUUUUAU^ -    C        C        --     UUAUAGU 
 120       110       100         90        80          70