Predicted to enable chromatin DNA binding activity. Predicted to be involved in several processes, including lymphocyte differentiation; regulation of nucleobase-containing compound metabolic process; and regulation of positive thymic T cell selection. Predicted to act upstream of or within hematopoietic or lymphoid organ development and positive regulation of natural killer cell differentiation. Predicted to be active in nucleus. Orthologous to human TOX (thymocyte selection associated high mobility group box). [provided by Alliance of Genome Resources, Apr 2022]