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