10 20 30 40 50 60 CGCAUUGUGUCUCUGUC--| UG A A A GUGACAU UCUGG UC CGUC GUGGUUUUACCCU UGGUAG C AGGCU AG GCAG CACCAAGAUGGGA ACCAUC A GCGUACCUGCGUCUGUGGG^ GU G G C UUGUCGU 120 110 100 90 80 70