10 20 30 40 50 UGGAUUUUUACAACAUC--| GC C GC U A UUGAC GUGCUUU UGGC CACCUGAAA UUG CUCA CCU \ UAUGAAG ACUG GUGGACUUU AAC GAGU GGA U UGAGAACAUUCCACUUACG^ AU U GA - - GAAGU 110 100 90 80 70