10 20 30 40 50 AGCAAGUAACAUGUCAUAA- -| UCC A UGUUGU CUU UGCUU CAGCUAAUCGUCCAUUUCA UUG \ GAA AUGAG GUCGGUUAGCAGGUAAAGU AAC U AACGACUAUUUUCUUCAAGC C^ UGU - UAAAGU . 110 100 90 80 70