10          20        30        40        50         
CAAGUCUUAAAGAAACU--| U   UG         U                AUCUAAA 
                   GU AAG  CUGUGGAUU CUUUGUGAAUCACCAU       \
                   CA UUC  GAUACUUAA GAAACAUUUGGUGGUG       C
UAGUUGACGUCUUCAUGGA^ C   GU         U                GUGUGAU 
       110       100        90        80        70        60