10 20 30 40 50 60 GGAUUUUCCACGAUCGGC---| CU C C CUUA UGUUUAAC GUGU UUGG AAGUAGAAUAG AGG UCACA \ CACA AGCU UUCAUCUUAUC UCU AGUGU U CAGCCCCAAGCUACAAUUGCC^ AC - U UAG- CGUCUAAC 120 110 100 90 80 70