10 20 30 40 50 UCUGUCUUUACCUGGAGU--| U G AGC UC G GUUUA GAGG GU GU UUGGCACUG UGA CGCAGGU C CUCC UA UA AACUGUGAC ACU GUGUCCA U GUAGUUACUGGCGACGUAAU^ U G ACA UC - UUCAG 110 100 90 80 70 60