10 20 30 40 50 UUUGAAUUCAAAAUUUU--| U G GC UUAUUC GUCAGUG UGACGCGUGUGAUAUUCAGG CUA CU \ UAGUCAC AUUGUGUACACUGUGGGUUC GAU GA U CAAAGUAUUGCAACUAAAC^ C - UA ACUGAC . 110 100 90 80 70