10 20 30 40 50 60 CUCUGACAGGCUGAAUCC A--| U UU A- GGAGAG UGU CUGCCAGC GUAAACACCC GACUGAAAG C C ACG GGCGGUCG UAUUUGUGGG UUGACUUUC G C UCGUUAUAGCCAACGGUU GUC^ U -- AG CGUAUU 120 110 100 90 80 70