10 20 30 40 50 UGAAACGUCCUGCUGAU- -| GA CC GAAUU GC UUCGGACUUCGACAGGAAAGUG GC GAUACA G CG AAGCCUGAAGUUGUUCUUUCAC UG CUAUGU U GAUAUUUACAACUUUUGU A^ UC A- CAUAA 110 100 90 80 70 60