10 20 30 40 50 UCUGACGGUCCAGAAUU--| C AUA AA G C CAUUGU CAGAACU GGA GGC GAUG AGG AUAGCUG \ GUCUUGG UCU CCG CUAC UCC UGUCGAC A CAAACUGCAACGACUGACG^ U CAA AG - A ACUAUA 110 100 90 80 70 60