Predicted to enable identical protein binding activity and transcription corepressor activity. Predicted to be involved in negative regulation of myoblast differentiation and negative regulation of transcription, DNA-templated. Predicted to be located in nucleus. Predicted to be active in nucleoplasm. Orthologous to human EID2B (EP300 interacting inhibitor of differentiation 2B). [provided by Alliance of Genome Resources, Apr 2022]