10 20 30 40 50 CGUUUGCGACGCCGGUU--| G U A G AGAUAU AUAUAGG UG CCCAAAAGUCUU GU CGGUUUUA \ UAUGUCC AC GGGUUUUCGGAA CA GUCAAAAU U GUCAAUGAUGUUACAGUCG^ A C C G CCGAAC 110 100 90 80 70 60