10 20 30 40 50 GACUGAAGCUGUGACCA-- A CA-| UA G G UGAUG GUCAG AUAAUGU AAGUGCU CA UGCAG UAG U CAGUC UAUUACG UUCACGG GU ACGUC AUC G CCGAGGGUGGCUCCGUCGA G AUG^ GA G - UACGU . 110 100 90 80 70 60