10 20 30 40 50 ACUGAAGAUUGUGACCA-- GA CA-| A G G UGAUA GUCA AUAAUGU AAGUGCUU CA UGCAG UAG U CAGU UAUUACG UUCACGGA GU ACGUC AUC G AACCGAAGGGCUCCGUCGA GG AUG^ A G - UACGU . 110 100 90 80 70 60