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