10 20 30 40 50 AAAAGAUGUCAUAAAUUG--| U C U U G GUUCA UCAU GAGGU UAGUCUUUCAUUU GC GCU UC A AGUG UUCUA GUCGGGAAGUGAA CG CGA AG U CUGGAGUAUUAUAACAAUGG^ U A C U G CCAAA 110 100 90 80 70 60