10 20 30 40 50 CUCGGCAGACUUCGUGU- UC-| AC UUCGCG UCC CGGCCCCGUUCGAGACGG UCGGCAGACG \ AGG GCUGGGGUAAGUUUUGCC AGCCGUUUGU U UACGAGGAGCCACGAAAA UGU^ CA UCUCUC 110 100 90 80 70 60