10 20 30 40 50 60 CAAACAGCAGCUAUUAA--| UG C AC UGAAGA ACCUGU AGAG ACAUACUUCUUUAUGU CCAUA U UGGAUA UUUU UGUAUGAAGAAAUGUA GGUAU A AGAAAAGGACCAUCAAACA^ GU A A- UGUAAC . 110 100 90 80 70