10 20 30 40 50 AAAUAUUCUGUUACCAU--| UU A U U C GUUUCA ACUU CUAUCAU UUCGGUCC UUU GGGAC UC A UGAA GAUGGUA GAGUCAGG AGA CCUUG AG U UUACACGAUACCACCAGCU^ UC A U U A GCAAUC . 110 100 90 80 70 60