10 20 30 40 50 AAAUAUUCUGUUACCAA--| U A U U C GUUUCA ACUU UCUAUCAU UUCGGUCC UUU GGGAC UC A UGAA GGAUGGUA GAGUCAGG AGA CCUUG AG U UCCCACGAUACCACCAGCU^ U A U U A GCAAUC . 110 100 90 80 70 60