Predicted to be involved in negative regulation of T cell receptor signaling pathway. Predicted to act upstream of or within humoral immune response and positive regulation of natural killer cell mediated cytotoxicity. Predicted to be located in cytoplasm. Human ortholog(s) of this gene implicated in X-linked lymphoproliferative syndrome 1. Orthologous to human SH2D1A (SH2 domain containing 1A). [provided by Alliance of Genome Resources, Apr 2022]