10 20 30 40 50 GUUCAAACACUGGAACU-- UG C U -| G U A - UAAA GGU CC AGAGG GG UGUG GGU UGG UCUC AGU \ CCA GG UCUCU CC ACAC UCA ACC AGAG UCA A UUGACAAAACGAGUUCAUC GU A U G^ G U - G CUCU 110 100 90 80 70 60