10 20 30 40 50 GCAAUGCCGCACAGUUUG-- G -| CAU UUUUGA GGAUCUCG CAACAUC UUACCAGGCAG UUAGU \ CUUGGGGU GUUGUAG AAUGGUCUGUC AAUCA A UACCUGGUACUACUGACAAA G U^ AU- UAAGGA . 110 100 90 80 70