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