10 20 30 40 50 GCUUGUCCCUAACGACG- AA A- -| G UAAAAU GU GCUAUUUUG CGGGUUUCGU GACAG CGAGCA \ CA CGAUAAAGU GUCCAAAGCA CUGUU GCUUGU C CAGGCGUUUACACGAGAC AC CC G^ - UAAUAC . 110 100 90 80 70