10 20 30 40 50 60 70 80 90 UACAGCUACAAGGCUGC----| A U A - AG G GAAAGAUAAAAGCCCAUGCAGGCAUUGGAAUGACAUAAACC AUG GU AC GUGUGUCG G CCG AGGUUCCGGA G UAC CG UG CACACAGC C GGU UCCAGGGCCU G GGUUUAUUCCAGUAAAGAACG^ - - A U CA - CCGAUUCGGUAACGUGGUUUGUUACCUUGUUUGGUCAUGUU . 180 170 160 150 140 130 120 110 100