10 20 30 40 50 UUUACCGCUUUGUGUUU--| UC A C U C UUUCGUG GGU CC CCACG UAAG AGUAGUGC GCAGGUA \ CCA GG GGUGU AUUC UCAUUACG CGUCCAU A UUUAGUUGCACAUCAAGCA^ UC A A C - UUCAAGG . 110 100 90 80 70