10 20 30 40 50 UCCUGUGGCCAGACGGG- G CCAG- C UU UG -| GUAGC AGGCA CAGGG CCCUUCC U CAC G CCU \ UCUGU GUCCU GGGAAGG A GUG C GGA C GCUCUAGCGUCCCGUGAG A ACACA A GG GU U^ CCCGA 110 100 90 80 70 60