Predicted to enable signaling receptor activity. Predicted to be involved in positive regulation of lymphocyte activation. Predicted to act upstream of or within B cell homeostasis; positive regulation of germinal center formation; and positive regulation of interferon-gamma production. Predicted to be integral component of membrane. Predicted to be active in external side of plasma membrane. Human ortholog(s) of this gene implicated in common variable immunodeficiency. Orthologous to human TNFRSF13C (TNF receptor superfamily member 13C). [provided by Alliance of Genome Resources, Apr 2022]