10 20 30 40 50 GACCUCCGCCCGUCAAUC--| UUA A UAAUCU UGUACUCUUUGG CAGUUGUUCAACC GUUAC A ACGUGGGAAACC GUCAACAAGUUGG CAAUG A AGUUACUUUACAAAGGUGAA^ CAA C UUAAUC . 110 100 90 80 70 60