10 20 30 40 50 60 GCAGCAUAGCAGUUCAG--| CG A CG U GUGACGU CUCUACCUCGGUG GCUC UCAC GGCA CUUGC \ GAGGUGGGGUUAC CGGG AGUG CCGU GAACG U AGAAGUUAACCAACAUUCC^ AA A AU C UCUCAGU 120 110 100 90 80 70