10 20 30 40 50 AAACAGGCUCAGAACCU-- UG C UG C---| A GUUCCA GC GGGUCCUCUGC AUGA A GUUGCACU CU A CG UCCGGGAGACG UACU U CAACGUGA GA A UCCGGAUGGCCAUCCUACA CA A GU AUGA^ C ACCCGC 120 110 100 90 80 70 60