10 20 30 40 50 60 UGGAGUUUUUGUGGACG--| C C U C U AGGAAU CCCGUCC GCCUG CCAGUGU CAGACUAC UGU C U GGGUAGG CGGAU GGUUACA GUCUGAUG ACA G A CGUCAGGUGGAGCUCGUAG^ U U C - U UUUGUG . 110 100 90 80 70