10 20 30 40 50 CUACUCAAGGCCGGCGGC---| C G A CCC C CAUCC GG GCGG CGGC GUGGCGGGAGCGG CU GGC U CC CGCC GCCG CAUCGCCUUCGCC GA CCG C CCUCGGAGCCCUCGACCUCGC^ U - C AUU C UCUGC . 110 100 90 80 70 60