Predicted to enable chromatin binding activity; histone acetyltransferase regulator activity; and histone binding activity. Predicted to be involved in kidney development and spermatid nucleus differentiation. Predicted to act upstream of or within several processes, including animal organ development; positive regulation of chromatin binding activity; and regulation of histone H3-K4 methylation. Predicted to be located in nucleus. Predicted to be part of beta-catenin-TCF complex. Orthologous to human PYGO2 (pygopus family PHD finger 2). [provided by Alliance of Genome Resources, Apr 2022]