Predicted to enable DNA-binding transcription factor binding activity; double-stranded DNA binding activity; and identical protein binding activity. Predicted to be involved in negative regulation of transcription by RNA polymerase II and regulation of gene expression, epigenetic. Predicted to be located in nucleoplasm. Predicted to be active in nucleus. Is expressed in embryo; inner ear; and otocyst. Orthologous to human CGGBP1 (CGG triplet repeat binding protein 1). [provided by Alliance of Genome Resources, Apr 2022]