10 20 30 40 50 GUUCGGAAAGUUCUUUG--| AG U A GA UAAUU GGUUUC CUCUU GUGUUCAC GUG CCUUGAUU U CCGAAG GAGAA CGUAAGUG CGC GGAAUUAA C UACAGAGUCGCUACUGACC^ A- C G AC CAUAA 110 100 90 80 70 60