Predicted to enable nucleic acid binding activity; transcription corepressor activity; and ubiquitin protein ligase binding activity. Predicted to be involved in negative regulation of apoptotic process and positive regulation of cell differentiation. Predicted to act upstream of or within negative regulation of transcription, DNA-templated. Predicted to be located in cytoplasm and nucleolus. Predicted to be part of ribonucleoprotein complex. Is expressed in brain; heart; limb; and lung mesenchyme. Orthologous to human PA2G4 (proliferation-associated 2G4). [provided by Alliance of Genome Resources, Apr 2022]