Predicted to be involved in B cell homeostasis; hematopoietic progenitor cell differentiation; and negative regulation of B cell proliferation. Predicted to be located in external side of plasma membrane. Predicted to be integral component of plasma membrane. Human ortholog(s) of this gene implicated in common variable immunodeficiency. Orthologous to human TNFRSF13B (TNF receptor superfamily member 13B). [provided by Alliance of Genome Resources, Apr 2022]