Predicted to enable DNA-binding transcription repressor activity, RNA polymerase II-specific and RNA polymerase II transcription regulatory region sequence-specific DNA binding activity. Predicted to be involved in negative regulation of transcription by RNA polymerase II. Predicted to act upstream of or within positive regulation of transcription by RNA polymerase II. Predicted to be located in autophagosome and nucleus. Orthologous to human PEG3 (paternally expressed 3). [provided by Alliance of Genome Resources, Apr 2022]