10 20 30 40 50 60 CUUGUCCUCAAGCGUGG----| C A -- CU G GAGAAGG AG UC CAGG GCA GAGGAGGGUUU UAACAUGGG U UC AG GUCU CGU CUUCUCCUAGG GUUGUACUC G UACGUAUUACUUACAGUUUCC^ - - AA -- - AGUGGAA 120 110 100 90 80 70