10 20 30 40 50 AGACUGUCUUUGCAAAU-- UU CU -| UC AGUAUG GUUUAU CUGGCAACA AUC CUGAUGCUG AG U UAAAUG GAUUGUUGU UAG GACUACGAC UC G AUGUUAAGAUCGACGAACU GU UU U^ C- GAAAUG . 110 100 90 80 70 60