10 20 30 40 50 UGUUUCCCAAGCUUGUU--| C UG U A U U UGCAC UGUG UG GCG UGGGAUUU UCGG GCU GUGGG A AUAC AC CGU ACCCUGAA AGCC CGG CAUCU A AUCUGAUGUUGCUUCGUGC^ U CU C C - U CAAGU 110 100 90 80 70 60