Predicted to enable several functions, including chromatin binding activity; identical protein binding activity; and transcription coregulator activity. Predicted to be involved in 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 cytosol; membrane raft; and nucleoplasm. Predicted to be active in nucleus. Orthologous to human ARID3A (AT-rich interaction domain 3A). [provided by Alliance of Genome Resources, Apr 2022]