10 20 30 40 50 CGAUGUGAAUCUCUAAAA- ACCC-| UC UU UG CUGUGAGU AGG CUUC CU AACAUGGAGG CUUG \ UCC GAAG GA UUGUACCUUC GAAU U GGUCCAAGGUAUUCGUUUA CAAGU^ UU UU GU UAAAAAGU . 110 100 90 80 70