10 20 30 40 50 GUAUGUGAAUAUCCUUCG- AU A -| CCU C UUGCU GCCA GGG UG GCGGUUCUUCA GGUAGC UG U CGGU UCC AC UGUCGAGAAGU CCGUCG AC U UGAAUACAAACUGCCAUCA CG G U^ AGU A ACUUA . 110 100 90 80 70 60