10 20 30 40 50 GUCUGACUGUUGAUGGU--| CUC U CC C U CUGAA CUGUAUUUGC ACGU GAGCC ACG ACAA AC \ GACAUGGACG UGCG CUCGG UGC UGUU UG G CAACAAAGUUCAACGUGUG^ AAU - CU U U AAGUG 110 100 90 80 70 60