10 20 30 40 50 UGGAGCGUGAACUGGAA----| GA UA A C GGCCUGGA CUGCU GUGAGU GGU GUUU AUGUUGUUG U GACGG CACUCA CCA CAAA UACAGCAAC U GUCGAUUCGCUCCUCGUCAUU^ -- GC C U ACAAGUCU . 110 100 90 80 70 60