10 20 30 40 50 60 AGAAAACAGACUUUAAGG--| CU U AU UGACAUU AGUGCU GCUG GAGAACUGA UCCAUAGAUGG \ UCAUGG CGGU UUCUUGACU GGGUAUCUACU U CAUUAUUGACAGCCGUUUUG^ UU U C- GUGUAUG 120 110 100 90 80 70