10 20 30 40 50 CUGUUCCAUCAGACACU- C - CA-| G AUUUAU GUC UA UGGGCUC AAGUGCUGUUCGUGCAG UAG \ CAG GU ACUCGAG UUCACGACGGGUACGUC AUC A CAUCCAGGCUGCAAUUCC U A UCC^ - CUUACA . 110 100 90 80 70