10 20 30 40 50 AGAAGGAUUGCAUUACUGGU- U U-| A AC AGUGUA GGGUGUU UG GA AGAC AGGUAGUGAGAU U UCCACGA AC CU UCUG UUCAUCGCUCUA G UGGCGACACUUCUAAAACCGU U CU^ C GU CAAAUG . 110 100 90 80 70 60