10 20 30 40 50 AAGGCUGAAGAGAGACUGG----| CCA CU C A CA GUAGC CUC AG GAAGUUCUGU AU CACU GGCU U GAG UC UUUCAAGACA UA GUGA CUGA A GUUGCAGUGCACCGCUACCGUUA^ C-- AG C C -- AGGUA 110 100 90 80 70 60