10 20 30 40 50 UCAAAUGAUUUGUGUUC----| UC AU G C G UUGUUG UGGCA GUGCUU UG CACUGG GGAAUA UCAC \ ACUGU CAUGAA AC GUGACU CCUUGU GGUG U UACUGCGAAGAACCAGAAAGU^ -- AU G U - UUAACG . 110 100 90 80 70