10 20 30 40 50 UCGAUAAUGUGAGCUUU- -| UG C U U UUACAU GCC CCAG GAG UGGUUUUG GAGAUG UCAUUGG \ UGG GGUC UUC AUCAAAAU CUCUAC AGUGACU A CACAUACUUCAACAAUAC U^ CU A - C UAUAAA . 110 100 90 80 70