10 20 30 40 50 60 GCUGAAGAUGGACACUG- -| U U GU UUAGGGUCAUAC GU GC CUGUGGGA GAG AGUAGAUUGUAUAGUU C CA CG GGCACCCU UUC UCAUCUGACAUAUCAA C CGGUCAGCCUCUUCUUCA U^ U - UG UAGAGGUUCUAC . 120 110 100 90 80 70