Predicted to enable tumor necrosis factor receptor binding activity. Predicted to be involved in CD8-positive, alpha-beta T cell differentiation. Predicted to act upstream of or within defense response to Gram-positive bacterium and positive regulation of transcription by RNA polymerase II. Predicted to be integral component of membrane. Orthologous to human TNFSF8 (TNF superfamily member 8). [provided by Alliance of Genome Resources, Apr 2022]