10 20 30 40 50 UGCAUAUAUGAUAAACUU--| UUU UU CUUUACUU GGUCUG UAACGGUUCUUCAU GGUAGC \ CUAGAU AUUGUCGAGAAGUG CCGUCG G AAAGCUCGUUACAACUACCU^ CGU GU AAACAAAU 110 100 90 80 70 60