FIG. 10.

Identification of sequences contributing to promoter activity of the −270/−41 mouse Fli-1 region. Reporter constructs containing the deleted (top) or mutated (in indicated sites; bottom) version of the −270/−41 Fli-1 region were transfected into 745-A cells. The luciferase (Luc) signals were measured and normalized by β-galactosidase activities of a cotransfected CMV-gal construct. The normalized signal of the parental −270/−41 reporter construct was arbitrarily chosen as 100. Representative data from three different experiments are shown.