10 20 30 40 50 60 GACUCUGACCAGUCGCU--| G UUU CU GGUGGAAUG GCGG GCUUUCC GUGCUUGAU AACCAUGU A UGCC CGAAAGG CACGAACUG UUGGUACA U CCGGUACGACGUCCUCUCG^ A CGC UC AGGCAAAGG 120 110 100 90 80 70