10 20 30 40 50 AUGAGAUAUGAAACCCUUU--| ACU UG A GUGGAU GUCUUCUCG UUUGAU UUGCUC GAAGGC \ UAGAGGAGU AAACUA AACGAG CUUUCG A UGACUACAAUCUGCCAUGGUC^ CGC GU - GACAGU 110 100 90 80 70 60