Predicted to enable histone deacetylase binding activity and transcription corepressor activity. Predicted to contribute to histone deacetylase activity. Predicted to be involved in histone deacetylation; negative regulation of transcription by RNA polymerase II; and positive regulation of I-kappaB kinase/NF-kappaB signaling. Predicted to be located in nucleus. Predicted to be part of transcription repressor complex. Predicted to be active in nucleoplasm. Orthologous to human MIER1 (MIER1 transcriptional regulator). [provided by Alliance of Genome Resources, Apr 2022]