10 20 30 40 50 GGCGGACUACAGCUGUCA-- UG C G ---| CA UACUGGA G GCAG UUGGU GUCGUAUGUGUGG CGC UC \ C CGUC AAUCA CGGUAUAUACACU GUG AG A GGACAAUUAACAACAGGAUA GU A G ACA^ -- GAUUUGC 120 110 100 90 80 70