10 20 30 40 50 60 UCUCCACUGUUUGAACCUUAAACGGCA--| UA U A CAAAUGUG UGGUACCC CG CUGA GAAAGUA \ GCCAUGGG GC GACU CUUUCAU U UUUUAUCCUUAUCCCUUGGGUAUAUACAG^ CA C - AGUUAUCU 120 110 100 90 80 70