10 20 30 40 50 60 UUCUGCAGGAUGGAUAG- -| C AAC U C U AGGAGGC CC GGCCC GCC CCAGUGU CAGACUAC UGU C U GG UCGGG CGG GGUUACA GUCUGAUG ACA G C AGAGCUGCUCGGCGAGUG U^ U AUU C - U UGUAACU 120 110 100 90 80 70