ATF4 binds an enhancer downstream of the protein coding region of the CEBPB gene (Chen et al. 2005). The binding site resembles a composite CEBP-ATF element. Therefore ATF4 may form a heterodimer with a CEBP protein at the element (Chen et al. 2005).
Chen, C, Dudenhausen, E, Chen, H, Pan, YX, Gjymishka, A, Kilberg, MS
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