10 20 30 40 50 GGCACUUUUUUGUGAUG--| C AUAAGU ACAAUUUAUUUUCAUACGUGACAAAG UCCUGAAA \ UGUUAAAUAAAAGUAUGCACUGUUUC AGGACUUU C AAAAGUAUGCACUAAAGUG^ A UAUAGA 110 100 90 80 70 60