10 20 30 40 50 CCGGCGGCCAGGGCCAC-- G G -|C U CC A GUCACGG C GGCG GCUG C CC CUUUC UGUUGCACU CU \ G CCGC UGAC G GG GAAAG AUAACGUGA GA U CGGGCCGAGAGCGGCGAGG G G U^C - UA C GCGACGC . 110 100 90 80 70