10 20 30 40 50 GAGUAGCUGGAUUUUCU--| GC G A GUUCUU GUCUCUCUGGU AGUGGUUCUAAACA UUCA CA A UAGGGGGACUA UCACCAGGAUUUGU AAGU GU C AGAGAGUAAACUCCGAUAG^ GU A - UAAAAC 110 100 90 80 70 60