10 20 30 40 50 UGAAGUUAGAUAAAAUUUCCAG--| AUUUAAG UUGGAACCUAAUGAUUCAUCAGACUCAGAU \ GACCUUGGAUUACUAAGUAGUCUGAGUUUA U ACUUUGACUUACUUUUUAAAGACU^ UGACAAU . 110 100 90 80 70