10 20 30 40 50 AGGAUUCCAGCUGACCUCUG----| ACG AGC G GUGUGAU GC GUGUG AGGUCA GUGUGGUGCA A CG CACAU UCCAGU CGUACUACGU G UUAGAGGUCUGCCUUUAUGUCUCA^ A-- CCC G AUAAGGU 110 100 90 80 70 60