10 20 30 40 50 CUUGUCGUUGAAAUGAA--| UCA G U GGACU AUGAGCUCAGA GGCAA AUGU GGCAUAGCUGA \ UGCUCGGGUUU CCGUU UACG UCGUGUCGACU U AGAGACAUAACGUCAGUUG^ CUA G - AUAAU 110 100 90 80 70 60