10 20 30 40 50 60 AACGGCGUCCUGGAAGCC----| GA U - AUCU UAGUGCCUU GGCUG GCGUGACA GGAUU CAGCU GUGGAG C CUGGC CGCACUGU CCUAA GUCGG CACUUC A CCCUAUCAUGCGCUCUAUUCUU^ -- U C GC-- UUAAACAAA 120 110 100 90 80 70