10 20 30 40 50 CCCUGUUCCCAGAGGAU--| U U U CCC GGAA GGUAGUC GU GU GUAAACAUC GACUGGAAGCU \ UUAUCGG CG CG CGUUUGUAG CUGACUUUCGA A GGAAGGUCGCGACAAGUAC^ C C U C-- UGUA 110 100 90 80 70 60