10 20 30 40 50 GGCUCGCAGAUCAAACAGUU-- C A-| GCAAUGUU CUUGUAG ACU AAGUGCUUAUAGUGCAG U GAACGUC UGA UUCACGAGUAUUACGUC A AUGACUUCAACAUCAAGAUGUC C AC^ AUCUGCUG 110 100 90 80 70 60