10 20 30 40 50 UCAGGCUGGGCGCACCU- CC- G -| C UUUCUU GGG UCU UGGGCAUC UUACCGGACAGUG UGGA G CCC GGA ACUUGUAG AAUGGUCUGUCAC AUCU G CCAAUAGAGGUCUCGUCA AGU A C^ A CAGUUC . 110 100 90 80 70 60