10 20 30 40 50 CAAUCCGGUAGCUGAAU- UCUC- C-| UU CGUGGAG GGA GCGUGGCAGGGAUUC GCU UGGUGA \ CCU UGUACUGUCCCUAAG CGG GCCACU A GUUAUGACCGCACUUAUG UCCGU AA^ -- UCUAAGA 110 100 90 80 70 60