10 20 30 40 50 60 CUGGCAGAAGAGACAAG--| CCG UA U U AGUAGAUGGUUU GC GGGGCUUU AGUCACUAG GGU CCGUUU \ CG CCCCGAAA UCAGUGAUC CCG GGUAAA G ACGAAGUGGCUACUACGAC^ AGA CA - U ACUUUGUUACGU . 120 110 100 90 80 70