May be involved in the regulation of gene expression as repressor and activator. The repression might be related to covalent modification of histone proteins. Component of the nucleosome-remodeling and histone-deacetylase multiprotein complex (NuRD) (PubMed:10444591). Interacts with HDAC7 (PubMed:10984530). Interacts with MBD3 (PubMed:12124384). Interacts with p53/TP53, MINT, PIMREG, NACC2 and ERCC6 (By similarity). Interacts with PWWP2B (PubMed:34180153).