10 20 30 40 50 60 GCUGAAGAUGGACACUG- CU-| U GU UUAGGGUCAUAC GUG CUGUGGGA GAG AGUAGAUUGUAUAGUU C CAU GGCACCCU UUC UCAUCUGACAUAUCAA C CGGUCAGCCUCUUCUGCA AGU^ - UG UAGAGGUUCUAC . 120 110 100 90 80 70