10 20 30 40 50 UUCGGAUUAGAUUCAUU--| U CG UU A C GUGAAAU UGGU CU GUGCAGGUC GA GGGUGCAA UUU \ ACCG GG UACGUCCGG CU CUCACGUU AAA G AGAAGAGGAACAACUAAAC^ U UU CC G - CUAUUAA . 110 100 90 80 70