Predicted to be involved in negative regulation of immune response and positive regulation of T cell apoptotic process. Predicted to act upstream of or within negative regulation of apoptotic process; negative regulation of tolerance induction; and positive regulation of apoptotic process. Located in plasma membrane. Biomarker of anti-basement membrane glomerulonephritis; periodontitis; and pre-eclampsia. Human ortholog(s) of this gene implicated in autoimmune disease (multiple); hepatitis B; hepatitis C; hepatocellular carcinoma; and lupus nephritis. Orthologous to human PDCD1 (programmed cell death 1). [provided by Alliance of Genome Resources, Apr 2022]