10 20 30 40 50 GAUUGGUGUUCCUGAGU- -| C A G A UUU GCAG GUGUCCCAAAAGUCU AGUGC GCU GA GU U UGUC CACAGGGUUUUCAGA UCACG CGA CU CG A AGUAGUUCUUACCUAAGC U^ A A A C CCU 110 100 90 80 70 60