Enables death receptor binding activity and tumor necrosis factor receptor binding activity. Involved in several processes, including cellular ion homeostasis; cellular response to interferon-gamma; and extrinsic apoptotic signaling pathway via death domain receptors. Located in caveola; cytoplasmic vesicle; and perinuclear region of cytoplasm. Used to study brain glioma; substance-related disorder; and type 1 diabetes mellitus. Biomarker of several diseases, including artery disease (multiple); chronic obstructive pulmonary disease; gastric ulcer; liver disease (multiple); and ulcerative colitis. Human ortholog(s) of this gene implicated in several diseases, including cholangiocarcinoma; chronic myeloid leukemia; diabetes mellitus (multiple); pancreatic cancer (multiple); and pre-eclampsia (multiple). Orthologous to human FASLG (Fas ligand). [provided by Alliance of Genome Resources, Apr 2022]