10 20 30 40 50 GUAACAUAUGUCUCUAGC--| C CUUGGG CCUAGCUUGGUUCUAAAUC CAUGGUGCCUUCUC \ GGAUUGAACUAAGAUUUAG GUAUCACGGAAGAG A UCCAUUGGACAUAGACGUCA^ A ACAAAA 110 100 90 80 70 60