10 20 30 40 50 CGCCGUGGUGCUGAUUC-| G C UG U U G GUGAUGU CU GGCUCUGA C AGACCUC GGG UCU AGCU \ GG CCGGGACU G UCUGGGG CUC AGG UCGA U ACGAGGUUUGGGUCUCCG^ G U GU C U G GCUCUCA . 110 100 90 80 70