10 20 30 40 50 UGAAAGAGUUUUAUCAC--| CU G CU C - UCCUC GUGGU GU UGUCC GUUCAU GU GGUUGUGAUG U UACCG CG ACAGG UAAGUA CG CCAACACUAC U GGUUCCUACACAUCUCUCC^ CU G AG - U UAAGU . 110 100 90 80 70 60