10 20 30 40 50 60 AUGGACCAGAGGAUACC- CU -| C U C U AGGACU UCCA CC GUCUA CCAGUGU UAGACUAC UGU C C GGGU GG CGGAU GGUUACA GUCUGAUG ACA G C UGCCACGGCUCCCAGAUU CG U^ U C - U UUAAAC . 110 100 90 80 70