10 20 30 40 50 CUGCUUCUCUGUUACUU- -| C UA C GAAAAU GAGG GGGAGG AGU AGACUUG AGUGAUGUUUA U UUCC UUCUUC UCG UCUGAAU UCACUACAAGU U GGAAGGGCGUCAGUUCUA U^ A UG U ACAUCA . 110 100 90 80 70 60