10 20 30 40 50 ACUCAGAGGAAUAAUAUC--| UG C A CA U GUGCAG AG G GUGGGA AGGUC ACCUCACAUG CCU C UC C CAUCCU UCCAG UGGGGUGUGU GGA U AGCUUCCGCCCUUCUUAUGU^ GU A A AC C AGGAUG . 110 100 90 80 70 60