10 20 30 40 50 UUUUUCCAGUGUCCACAG---| UG A C - U CUGUGUCAUA UUCC GAGGCA CUUCA CA GGAGU CUU A GAGG CUUUGU GAAGU GU CCUCG GAA C CGGGUUUUACCUACAGACUCG^ GU - A G U UCCUCGUGUG . 110 100 90 80 70 60