10 20 30 40 50 UCGGGCCGAGGCGCUCU- CC- G -| C UUUCUC GGG UCU UGGGCAUC UUACCGGACAGUG UGGA A CCC GGA ACUUGUAG AAUGGUCUGUCAC AUCU G CACAGGACCGCUCGUCAA AGU A C^ A CAGAUC . 110 100 90 80 70 60