10 20 30 40 50 AUUAAAGUUGUGAUGUGC--| U AG G A C G GUUU UG GC UGCU UAUUCAG UUGGUG CU UCAU A AC CG GUGA AUGGGUC AACCGC GA AGUA U UGAGACUUACUUCUUGUGUU^ U AG G A A A AGAA 110 100 90 80 70 60