Enables chromatin binding activity. Involved in several processes, including generation of neurons; response to cocaine; and response to estradiol. Located in chromatin; cytoplasm; and nucleus. Biomarker of transient cerebral ischemia and visual epilepsy. Human ortholog(s) of this gene implicated in lung cancer. Orthologous to human MBD1 (methyl-CpG binding domain protein 1). [provided by Alliance of Genome Resources, Apr 2022]