10 20 30 40 50 ACAGGACCACGAUUUGAUU--| AAAA G A UUGAAGU GCCCU UUUCG GAAUAGCAGUA AAUGCA \ UGGGA AGAGC CUUAUUGUCGU UUAUGU A GCGUUAGAAUUCAUCUGUGUU^ AGGA A A CCUACAU . 110 100 90 80 70