10 20 30 40 50 AACGAAAAAAACCGAAGUCUUUUUA--| UC A A UUCCUA CCA AGCG GGUAU GAGUUCCUACG U GGU UCGU CCAUA UUCAAGGAUGC A AAAUUGAUAUACGACCAGCUGUCAGGA^ UC G A UGACUU . 110 100 90 80 70 60