10 20 30 40 50 GUGAUUCCAGCUGACGU--| A A - A AU UG UUGAUAG ACGGCAC GUGUG GG AGG CAC GUGGUG GU \ UGUUGUG CGCAC CU UCC GUG UACUAC CG U UUGAAGGACUACCUCUCUG^ C - G A CG GU UAUAAGA . 110 100 90 80 70