Predicted to enable DNA binding activity and DNA-binding transcription factor activity. Acts upstream of or within dendrite development and positive regulation of dendrite morphogenesis. Located in condensed chromosome, centromeric region. Part of nBAF complex. Is expressed in brain; primary oocyte; spermatocyte; and testis. Orthologous to human SS18L1 (SS18L1 subunit of BAF chromatin remodeling complex). [provided by Alliance of Genome Resources, Apr 2022]