10 20 30 40 50 60 UCUCAAAGUAACAUACU--| UU CU C A CGUGGGCACU GCC UC GCUGUAGCAGCA GU AAUAUUGG \ CGG AG UGACGUCGUCGU CG UUGUAACC U AAAGCCCAGGCCUCUUUCC^ UU UU U A UCCAAAGUCG 120 110 100 90 80 70