10 20 30 40 50 ACGACAAAGCUACCACU--| CCUGAC U UG A U CGAUCUCC UAGCA CCAGUG CC GGAU GA AGG U AUCGU GGUUAC GG CCUA CU UCC U CCCCUCAGCCACCACUCCC^ CGCCGU - GU C U ACCUAACG 110 100 90 80 70 60