10 20 30 40 50 GAGGCGUUAAGACUGAC--| CCCCCG GU GU UUGUGUC UUUCAAAU CUACUGAUGGAA \ GACGCAG GAAGUUUA GGUGACUACCUU U UAUAUAUAAGGACACAUAA^ AGAGUU UG GG . 100 90 80 70 60