10 20 30 40 50 60 CAGCUCAGGUCUUUUGG----| CGG A UU AGUGCUU CAGU GGCU CUGUAAACAUCC GACUGGAAGCU \ GUCA CCGA GACGUUUGUAGG CUGACUUUCGA U CGAGAUUAGUACCCUGAUAUC^ A-- C -- GGUCCUG 120 110 100 90 80 70