10 20 30 40 50 AAUUCUGGAUUCUAAAA- -| CAU U CA UAUCUA UGAC UCUA UGUCC CAUUGUA UGCUGUGUG \ ACUG AGGU AUAGG GUAACGU GCGACACAU U UUUGUGAUUUCAACGAAA U^ UAU U AC UCUCUU 110 100 90 80 70 60