Enables virus receptor activity. Acts upstream of or within response to virus. Predicted to be intrinsic component of plasma membrane. Predicted to be active in Golgi apparatus and plasma membrane. Is expressed in central nervous system; dorsal root ganglion; lower jaw molar; and neural retina. Human ortholog(s) of this gene implicated in basal ganglia calcification. Orthologous to human XPR1 (xenotropic and polytropic retrovirus receptor 1). [provided by Alliance of Genome Resources, Apr 2022]