10 20 30 40 50 60 70 80 90 UUGAUAUGAGCACUUUUCCUGAUC- AUC U-| A UU AACGGAUGAGCAAGUGCUCGGCUCACUGGCCCAAAUGCA GUU GUG UUGGA UGGUCUCG AGCU G CGA UAC AAUCU ACCAGAGC UUGA U CUACUUAAACGUAUAACAACUUUUA CGU CU^ C U- UGUGUAAAGUCACGACCCAAUUGGCCGCAGAGGCCCGUU 180 170 160 150 140 130 120 110 100