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