10 20 30 40 50 GAGGAGAGCUCCAUGAU--|C C C C GU - UGAAA G UG UGAUG UGGCGGUGAUG CGAUG GCG AGC A C AC ACUAC AUUGCUACUGC GCUAC UGC UCG U CGCUAGACUACCGACACGA^U U U U -- A UCGGG 110 100 90 80 70 60