10 20 30 40 50
CUUUGGCAGGAUACCUGU--| UG GA G A
AGAG GCAAU AACC UUACCAUUACUG G
UCUC CGUUG UUGG AAUGGUAAUGAU U
CUUAGAGUUACCGCUUACCU^ GU UC G U
100 90 80 70 60