Fig. 1. CudA binding to the cotC promoter as determined by ChIP analysis. (A) Chromatin from Ax2 and cudA-null (cudA^-) Dictyostelium cells was immunoprecipitated with or without anti-CudA (aCudA) or anti-STATa (aSTATa) antibody and analysed by PCR. (B) Fluorescence intensities from three ChIP experiments performed as above were normalised against the sample marked with an asterisk; bars indicate ±s.d.