10 20 30 40 50 UUUCGCGCGCUAUGAGU---| U C UAUU C U UGGAA AGUGU CGUCUGAUGG AGUGU AG UGGU GU A UCGCG GCGGAUUGCC UCACG UC ACCA CA U UGGUAGAGGACCUCUAAAUU^ - U CUUU - C UAAAG 110 100 90 80 70 60