Predicted to enable identical protein binding activity and tumor necrosis factor receptor superfamily binding activity. Predicted to be involved in several processes, including positive regulation of NF-kappaB transcription factor activity; regulation of T cell activation; and regulation of leukocyte chemotaxis. Predicted to be integral component of membrane. Predicted to be active in cell surface. Orthologous to human TNFSF18 (TNF superfamily member 18). [provided by Alliance of Genome Resources, Apr 2022]