10 20 30 40 50 60 CCAGAAAGGAUUGACCA- G C U C-| U UUAUGUU UU UGAUU UGGU UCAAUCCAGA CAGUUUU CU A AA ACUGA AUCG AGUUAGGUCU GUCAAAA GA A UAAUCGAGACUGAUUUAU G U U AU^ - UCCAAUA . 110 100 90 80 70