10 20 30 40 50 CUGAUGCAGUGGAAUAUC--| G A CA C GUAUUG AGUC UGUGGGA AGGUC ACCUCA AUGUCCU C UCGG ACACCCU UCCAG UGGAGU UAUAGGG U AGGCCCUAACUUUCUUAUUC^ G A AC A AGGAAG . 110 100 90 80 70 60