10 20 30 40 50 CUGCCUGUAUAAGAAUA- G- A C -| U CUUGAAU AAAGAGG UCCAA GAU GGUAC AG GGCUUUGG A UUUCUUC AGGUU CUA CCAUG UC UCGAAACC U CAUCCACACCAGCAAGUA AA C C C^ U AUAACAA . 110 100 90 80 70 60