10 20 30 40 50 CCCUUGCAGUGAUGUAU--| UGU U CCC GUACC CGUAGUC UGC GUAAACAUC GACUGGAAGCU \ GUAUCGG ACG CGUUUGUAG CUGACUUUCGA U GGAAGACGACAACAGGUCC^ UCC U A-- CCUCG 110 100 90 80 70