10 20 30 40 50 UUCGAAGCAAAACAAGAUUGAA--| AGA A GAGCUA CCUAAGGUAGGUC AUGAGUG CAGUGUU \ GGGUUCUAUCCGG UGCUCAC GUUAUAA A UUGCAUAGACAACUUAAUCGUCAA^ CCC - GAAAGU . 110 100 90 80 70