10 20 30 40 50 60 CCCCACCCCCGGCCGGG-- CUA A-| CUCGUGGGG GCCGCCCCGCCU GCAGCACAG AAUAUUGGCC \ UGGCGGGGCGGA CGUCGUGUU UUAUGACCGG U CCCCAGGGGGCGACGAGCG CCC GC^ UCCCAGGUU 120 110 100 90 80 70