10 20 30 40 50 GAGAUGUCAGAAAACAG----| CU U U G A UA GAGUUA GCC GA CUCC GU CCU CUGAACUGA UCAGU \ CGG CU GAGG CA GGA GACUUGACU GGUCG U AGGAGGUGUCCUAUAGCAAUC^ U- - U A C C- UGAAAG . 110 100 90 80 70