10        20          30        40        50     
AAGCAAGACGAAUCUUGUCUAUU--|  A          A  U       AA  UU 
                         CCC GGGUAGCAUA CA UGUAAGA  CA  \
                         GGG CCCAUCGUGU GU ACAUUCU  GU  U
AGUAUGUACCCUUGUAACGAACGAU^  A          C  C       GC  UA 
 .       100        90        80        70        60