10 20 30 40 50 60 GCUGAGGAACUGAACAG- UC -| AUC U C U AGGAGGC CCA CCC GCC CCAGUGU CAGACUAC UGU C \ GGU GGG CGG GGUUACA GUCUGAUG ACA G U GGGUGACAACGACGACCG UC U^ AUU C - U UACAGGG 120 110 100 90 80 70