10 20 30 40 50 60 AGCCUGUGUGAACUCUU--| A U AAG A G ACUCCAAGAG GCCA AA CAGAG GGAUUCUG UGUU GUCAC \ CGGU UU GUCUC CCUAAGAC ACAA CGGUG U AGUCCUAGGUAACUGAAUC^ A C AUA - G AGUAAAAUUU 120 110 100 90 80 70