10 20 30 40 50 GAUGUAGUCAAUGAACU--| U G CUCGUU GGGAUGUGGUGUUCGUGGGUC UGGGAGG CCGC A CCUUACGCCGCAAGUACCUAG ACCCUUU GGUG U GCUGGGUCCCUGCUGUACG^ U A UCAUCA 110 100 90 80 70 60