10 20 30 40 50 AUGGUUCACCAAUUAUUG- -| G U G AUGAUG CAUGCUAUGAUAU GGCAGU UGG UAGCUG UUG A GUGUGGUAUUAUA CCGUCG GCC AUCGAC AAC U UCUUCCUGGCUGCUAUUAA C^ A U - UUUAAA 110 100 90 80 70 60