10 20 30 40 50 GAUGCUUGAGUGACUGC--| U G A U - GUGAG GGCUG GUC GUCUAAUCUC GCUGGUAAU CG GA A CCGGC UAG CAGGUUGGAG CGACUAUUG GC CU G UCUUAGAAUCGACAAUCAC^ U G C - G CAAAU 110 100 90 80 70 60