10 20 30 40 50 UUAUGGAUGUGAUCAAAU---| GC C - CUGUGAA GGAAU UCUGGGAGUUGUAGU UUUCAA ACAG U CCUUA AGAUCCUCGACAUCA AAGGUU UGUC U GAGAACUACUAACUCUCUGAU^ A- C A CAUAUCU . 110 100 90 80 70 60