10 20 30 40 50 60 GGUGUGUACGAGGUGGU--| CU G A UCAC UAAGCCUAA GG GUCCUCU GA UGACACGA UCCCGGU \ CC CGGGAGA CU ACUGUGUU AGGGCCA A CCUUUGUUAACUUCUGAAC^ UU A G CAA- UUUAUAAAU 120 110 100 90 80 70