10 20 30 40 50 60 CACAGAGGAUGAAGUGU--| U CA C UU U AGAACU GGGUGUG CAGG GG AGUGCA GCUAGC GGCUGUU \ CUCACGU GUCU CC UCACGU CGAUCG UUGACAA U GUGCAGAAACGUACGAAGA^ C C- A -- - CCCUAU 120 110 100 90 80 70