10 20 30 40 50 CUCUAGUUGUUCUCUGCUCU- C-| C C GGUAC CCU ACUUAU UGACUCUGAAAU UUCUAAAU C GGA UGAAUA ACUGGGAUUUUG AAGAUUUA C CACCACGUGAGUCCUAAGGUU CA^ A C UUUCA 110 100 90 80 70 60