10 20 30 40 50 ACCAAUAUCGGAUGGACA--| U - C U CG U UUCC CGCUGAU GA UA CGC AGCCGG GAGCAA GC A GUGGCUA CU AU GCG UCGGCU CUUGUU CG A GCUAAAAAUUACAACUUAAA^ - C U C UG U CAAC 110 100 90 80 70 60