10 20 30 40 50 UGGUGCAGCCCGGAGCUAU--| U C CA C A CGUCUU GC CUGCU UGGCUGGU AA GG ACCAAGCC \ UG GACGA AUCGACCA UU CC UGGUUUGG C GAAGGACCGAACCACAAAAGG^ U U AC C C AGGCUC 110 100 90 80 70 60