10 20 30 40 50 UAAAGUGUCGAAAUUUC----| UUGU CA CU- U UAGUGAC AGUAG GUC GUCAGUGGU GCUGCU GU \ UCAUC UAG UAGUCACCA UGACGA UA C UCGCCACUUCUCUACUGACUG^ UC-- UG UGU C UCUGUAA . 110 100 90 80 70 60