10 20 30 40 50 CGCGGGCAGCAUCAGAA----| UC UU U C UCCA CUGG GGUGAU AGGUAGU UC UGUUGUUGGGA G GACU UCAUUA UCCGUCA AG ACGACAGCUCU C CCAUGGACCUCUGCUAAAGUU^ -- CU C C CUUU 110 100 90 80 70 60