10 20 30 40 50 60 UCCAUCUUCAUCCUGAU----| U A A CU U UGUUAAACUU UGAG GA CAA GUGUAUUC GGGC AAUAACA U ACUC CU GUU CACAUAAG UUCG UUAUUGU U AGGUUAGAGUACCUCAUUGUA^ U - G AG - CUUAUAAAGU 120 110 100 90 80 70