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