10 20 30 40 50 GCACAAAAUUAUUAAAAAUAUAGUGUAUGG--| A UU C CGG GC UUCUC CCCGGUU UUCC A CG GAGAG GGGUCGA AAGG G UGAUAUAUAUAUAAAACAACAAUUAAAAAAAG^ G UU A ACU 110 100 90 80 70 60