10 20 30 40 50 GGGCUGAGCCCUCCAGGGUAA- GG--| A GCC A CUGAG GU AAAG UGGUGG GCAGA CAUGUG U CG UUUC ACUACC CGUCU GUAUAC U CGACCGAGGAGUCGCUUUCCCC AAGA^ C AGU - CGUGC 110 100 90 80 70 60