Predicted to enable methylated histone binding activity. Predicted to be involved in canonical Wnt signaling pathway; kidney development; and spermatid nucleus differentiation. Predicted to act upstream of or within several processes, including hematopoietic progenitor cell differentiation; protein localization to nucleus; and spermatid development. Predicted to be located in nucleus. Orthologous to human PYGO1 (pygopus family PHD finger 1). [provided by Alliance of Genome Resources, Apr 2022]