Predicted to enable androgen receptor binding activity and nuclear receptor coactivator activity. Involved in regulation of proteasomal protein catabolic process. Acts upstream of or within several processes, including Leydig cell differentiation; regulation of gene expression; and spermatid development. Located in Golgi apparatus and endoplasmic reticulum. Is expressed in mandible and maxilla. Orthologous to human TMF1 (TATA element modulatory factor 1). [provided by Alliance of Genome Resources, Apr 2022]