10 20 30 40 50 AGGAUCCCAGCUCAUCU--| CA GA G A GUGAUAG AUGG CGGUGU GGAGG CACAUGUGGU CAGU \ UGUC GCCACG UCUCC GUGUAUACUA GUCG U UUAGAGGUCUGUUUCUCUG^ AC UC A C UAUAAGG . 110 100 90 80 70