Predicted to enable histone deacetylase activity. Predicted to be involved in histone H3 deacetylation; histone H4 deacetylation; and positive regulation of transcription by RNA polymerase II. Predicted to be part of histone deacetylase complex. Orthologous to human HDAC1 (histone deacetylase 1). [provided by Alliance of Genome Resources, Apr 2022]