10 20 30 40 50 60 CUGCCUGCAGAGUCGCA-- AAA A C -| A U CAGACU CAGG GCAA CAGCC CGGUC UUGA UC GGUCC A GUCU CGUU GUCGG GUCAG GACU AG UCGGG A UUACUUACGACUGCACUUA GUA C C U^ - - UUUACA . 110 100 90 80 70