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