Predicted to enable DNA-binding transcription repressor activity, RNA polymerase II-specific. Predicted to be involved in regulation of telomere maintenance. Predicted to act upstream of or within negative regulation of transcription by RNA polymerase II. Predicted to be located in cytosol and nuclear speck. Predicted to be active in nucleus. Orthologous to human YLPM1 (YLP motif containing 1). [provided by Alliance of Genome Resources, Apr 2022]