10 20 30 40 50 AAAAGUAGACUUCCUCA--| A G U UAUAUC AAUUC CUGGUGAGUUG CAUGGG GGUACUAUA A UUAAG GAUUAUUCAAC GUAUCU UCAUGAUAU U CAGUAAAUAACACUUGAAA^ C G U UAAUGA 110 100 90 80 70 60