10 20 30 40 50 GGUGCUGUACCACCUGU--| GA A U AAC GAUGC GGUAGU UGGUG AAGUGCUAGCG AGA GGCA \ CCAUUG ACCAC UUCGCGAUCGU UCU UCGU U CACGUAGACGCAGCAGUCA^ GA C U C-- ACUUU 110 100 90 80 70 60