10 20 30 40 50 GGAUUUUCAUGCCAUCGAG- UG-| U UA U CU UGGUA GC CAUGU GAUUG CUUCA CAGGUGCU GG \ UG GUAUA UUAAC GAGGU GUCCACGG CC C UUACUAUUUACAUCCUUCCG UCA^ C GC U C- AUAAC . 110 100 90 80 70