Predicted to enable DNA binding activity. Involved in positive regulation of transcription by RNA polymerase II. Predicted to be located in nucleoplasm. Predicted to be active in nucleus. Is expressed in several structures, including central nervous system; early conceptus; genitourinary system; limb; and sensory organ. Orthologous to human ARID3B (AT-rich interaction domain 3B). [provided by Alliance of Genome Resources, Apr 2022]