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