10 20 30 40 50 GCACUAUCCUGGGCCUUA- -| U CA C A GU CGUCUU CAG GCUGC AUGGCUGGU AA GG ACCAA C \ GUC UGACG UAUCGACCA UU CC UGGUU G C CCCCCCGCGACAACUCCGA A^ U AC C C UG AGAUUC 110 100 90 80 70 60