10 20 30 40 50 UGUCGCCAAGUUCACAU-- -| A CCA G U GUGUAA GC GCAGG CAUCCG GUGA ACUUU GCAAAACC \ CG UGUCU GUGGGC CACU UGAAA CGUUUUGG A AAAGUAUAGACAACAGUAC U^ A CGA A - AUCUAC . 110 100 90 80 70