10 20 30 40 50 UGCCGGAGCAAGAAGAU--| U UCC C A GUUGUCU CUCAGGC GUG CUCUA AGGGA GCGCUUUCU \ GAGUUUG CAU GAGAU UUCCU CGUGAAAGG G GUUGAAGUUGCAACGAAAA^ U UGU U A AAAGAAA . 110 100 90 80 70