10 20 30 40 50 AAUGACCAUGUGUCCCG--| G C A GUGAG GCU UGCGGCGGCAGGACUUAACC AC UGUGAACA U CGG ACGCCGCCGUCUUGAAUUGG UG ACACUUGU G GAAGGAGGGCGUCCAACGU^ G - - GCCGU 110 100 90 80 70 60