10 20 30 40 50 60 GCUGAAGACGGACACUG- -| U GU UUAGGGUCAUAC GUGCU CUGUGGGA GAG AGUAGAUUGUAUAGUU C CAUGG GGCACCCU UUC UCAUCUGACAUAUCAA C CGAUCGACCUACCCUUCA U^ - UG UAGAGGUUCUAC . 120 110 100 90 80 70