10 20 30 40 50 CUCGGCCGGCGCAGCCC----| C C A C U C ACGUCGC CGGC GC GGGCGC CC GUCCCG GCGU CCCGG \ GUCG CG CCCGCG GG CAGGGC UGCA GGGCC U AGACCCAGCCACUUCCACCGA^ - - A U - A CCGUCUG . 110 100 90 80 70