Predicted to be involved in positive regulation of canonical Wnt signaling pathway and protein import into nucleus. Predicted to act upstream of or within Wnt signaling pathway. Predicted to be active in nucleus. Is expressed in several structures, including central nervous system; retina nuclear layer; skeletal muscle tissue; skin; and submandibular gland. Orthologous to human FAM53B (family with sequence similarity 53 member B). [provided by Alliance of Genome Resources, Apr 2022]