10 20 30 40 50 60 UGCUGCGGGAUGGACAG- -| C AAC U C UCAGGAGGC CC GGCCU GCC CCAGUGU CAGACUAC UGU U GG UCGGG CGG GGUUACA GUCUGAUG ACA C AGAGCUGCGCGGCGAGUG U^ U AUU C - UGUGCAACU 120 110 100 90 80 70