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