10 20 30 40 50 AAGUCUUGUAUUUGAGG--| GUA CU C C UGCUCU CCUUAAA CU AGCAGCA AU AUGGUUUGCA A GGAAUUU GA UCGUCGU UA UACUAAGCGU A UAGAAGUUGACAAAGAGAA^ AAA UU U U AGAAAU . 110 100 90 80 70 60