10 20 30 40 50 60 AGGACAGGCCGAGAGGC- CU -| C U C U CUGCU UCCA CC GUCUG CCAGUGU UAGACUAC UGU CA C GGGU GG CGGAU GGUUACA GUCUGAUG ACA GU C CACCCAGCCGCACGCAGA CG U^ U C - U UAGAA . 110 100 90 80 70