Chromodomain-helicase-DNA-binding protein 9 (CHD9), also known as PRIC320 or CReMM (chromatin-related mesenchymal modulator), is a transcription coactivator that binds avidly to nuclear receptors PPARalpha, CAR, ERalpha, and RXR and interacts with transcription cofactors CBP, PRIP, and PBP [, ]. It belongs to the Chd family of chromatin remodelers [].