10 20 30 40 50 CUGAUAUCAUCAGACUUG -| CC CCCU UUGUUG GGU UGC CAGGAACAUGUAUG GGUUAC C CCA ACG GUCCUUGUACAUAC CCAGUG U GGUCACUUCAUGUCGUCU U^ UU AACU UACAUC 110 100 90 80 70 60