10 20 30 40 50 60 AGAAGUUCCAGACAUGA- AAU-| A GG AAGA CGUAAGA CCC GGCUCC GAAAUCAAG UGGGU CCU \ GGG UCGGGG CUUUGGUUC ACCCA GGA A AAGGUCUACGACUGAUAU AGUU^ A AU GC-- AGUUGAC . 110 100 90 80 70