10 20 30 40 50 GAUGGAGAGAGGAUUGAAG- U - --| U U GUGUA AAGUC CUAGUU CGUAUACUGAA UGUA CC GA \ UUCAG GAUCGA GCAUAUGACUU ACAU GG CU A CAAGAAGGACUGCAUUUACG C U CC^ - C UUCAA 110 100 90 80 70 60