10 20 30 40 50 CCAGUGGCGCCCACCUC--| U U - AU CUUGA UGGUGCC GGGAAGAAGU GC CCGUGUU UUUCG U ACUAUGG UCUUUCUUCA CG GGUACAA AAAGC A UCGAGAAGUUCCGCUCUAA^ C - U AC CGUGC 110 100 90 80 70 60