10 20 30 40 50 GUCGGGAAGAACUUGUGU--| G A CG C AAGCAUC GGUGCA AU GCAG CCAUUUA AGAGCUAU A UCACGU UA CGUC GGUAAGU UCUCGAUA U CUCGCUCUACGGCUAUCAAG^ A C AU U CUGUUGA 110 100 90 80 70 60