Predicted to enable Wnt-protein binding activity and identical protein binding activity. Predicted to be involved in hair follicle development; negative regulation of Wnt signaling pathway; and regulation of odontogenesis of dentin-containing tooth. Predicted to act upstream of or within astrocyte cell migration. Predicted to be integral component of plasma membrane. Predicted to be active in plasma membrane. Human ortholog(s) of this gene implicated in hypotrichosis 1. Orthologous to human APCDD1 (APC down-regulated 1). [provided by Alliance of Genome Resources, Apr 2022]