10 20 30 40 50 GCGGUAGCGAGGUAUUGC G - GU -| AGUAGU ACA CUGUCUGUG UCAUUUUUGUG U UGCAGCU C UGU GACAGACAC AGUAAAAACAC A ACGUUGA U UAGUCGCAACGACGUCAG A G UG U^ CCUUGG . 110 100 90 80 70 60