10        20          30        40        50          
UUGGGGAGCUCCUGAGAAAA--|                   C          CAGAAAUG 
                      GAGGACAUUUUACCCAGAUC GUGGCCUAAU        \
                      CUCCUGUAAAGUGGGUCUAG CACCGGAUUA        U
AGUGGAAGAAACCAGUGUCUUC^                   A          GUGUCCGG 
 .       110       100        90        80        70