10 20 30 40 50 60 ACCUUAGCAGACCUGUUG-- GU A-| U UCU CUGGAGU CUG UGGCCUA ACCCG AAGG UAACUUGUG \ GAC GCCGGAU UGGGU UUCC AUUGGACAC U AAAAUAGCGGCUACUCAUAA AG GA^ - CGU AUGAACA 120 110 100 90 80 70