10 20 30 40 50 60 CUUCCCAGGCUGGUUGG----| CAG A UU GGUGUUC CAGU GGCU CUGUAAACAUCC GACUGGAAGCU \ GUCA CCGA GACGUUUGUAGG CUGACUUUCGG G GUCCACAUCACUACCAUGAUC^ A-- C -- GGUCUUG 120 110 100 90 80 70