10 20 30 40 50 60 ACGGGAUGGAUGGACAG- -| C AAC U C UCAGGGGGC CC GGCCC GCC CCAGUGU CAGACUAC UGU U GG UCGGG CGG GGUUACA GUCUGAUG ACA C AGGGCUGCGCGGCGAACG U^ U AUU C - UGUGUAAGU 120 110 100 90 80 70