10 20 30 40 50 60 UUAAGUGGACCAUAAGUA-- G C -| G UC CAAAC UUU AUUUCGGGU AGGUGUUU CACGG CGC CACU \ AGA UGGAGCUCA UCUACAAA GUGCC GCG GUGA U ACAAUAAUGACCACUUCACA A A U^ - -- CGAAA . 110 100 90 80 70