10 20 30 40 50 60 UAUAUAGUGUUCUAUAG- UU -| CGC G AUAGAUU CUGC AA CCGAUGCUUUGG UUUAGCU UAUG U GACG UU GGUUACGAAACC AGAUCGA AUAC A AUAAGGAACUUCUGUCCG CC C^ AUU A UUCAUAA 120 110 100 90 80 70