10 20 30 40 50 60 GCUCUGACCAUCUCCGC--| U GGGAC U GCCCUUGC CC CCCUGA CCUG ACUGAGCUGCCCUGAG C GG GGGGCU GGAC UGACUCGGCGGGGCUC U GGAGGUAAGGGCGACUGAG^ U ACGUA C GACCCGCG 120 110 100 90 80 70