10 20 30 40 50 UCAUAUCAGAUCUCCACCUC--| UU U UC GGGUA AGUGCAUAACUC CAACC GAGGAC GCA A UUACGUGUUGAG GUUGG UUCCUG CGU A GACAUCUCUACUUUGUGGGUUU^ UU U C- AAGGU 110 100 90 80 70 60