10 20 30 40 50 60 CACCACACACCACAACU--| CCU UG UC UG C UA GGACG GCCGG C GG CC AGA CCUU ACCUGUGA U CGGUC G CC GG UCU GGAG UGGACACU C AGGGGUCCGAACACCAACC^ UGC GU GA GU U -- GGGAC . 110 100 90 80 70