10 20 30 40 50 CGCCGUGCCUUCAGCCU--| C UA GCUCAU GGGGGGG AGCGGU AGACUUGUAGUGAUGUUUA \ UCCCCUC UCGUCG UCUGAACGUCACUACAAGU C UCGAGGCUGCCGUCCCUCC^ U UG GCACCU 110 100 90 80 70 60