10 20 30 40 50 GCGGUGAGCAGGGCUCG--| A C CA CGUACAU GCUGGCGGUGAG GUAUGUGCCC UGGAC CAU G CGACCGUCACUC CAUAUACGGG GCCUG GUA U ACUGCUACAACUACUGCUA^ A U AC CCACUCC . 110 100 90 80 70 60