10        20          30        40        50     
UUUGAAGAAUAAUUUUAACAGA--|        A    U              AUG 
                        AGUGCUAGU ACUU GAUGAAUUCUUAAU   \
                        UCACGAUCA UGAA UUACUUAAGAAUUA   A
UACACAUCACUGAAACUACUUAAG^        C    U              UGC 
 .       100        90        80        70        60