10 20 30 40 50 CAAGAGAAGACACUGAA- UUGC-| A CG UC A CUGAU GCCUG CACA ACC UAGA CGA CUUGUG \ CGGAU GUGU UGG AUCU GUU GAACAC U GGGGACCUGACACCCUAG UGUCU^ A AU GU C ACGUC 110 100 90 80 70 60