Enables natural killer cell lectin-like receptor binding activity. Acts upstream of or within T cell mediated cytotoxicity. Predicted to be located in plasma membrane. Predicted to be anchored component of membrane. Predicted to be active in external side of plasma membrane and extracellular space. Is expressed in embryo endoderm and midgut. Orthologous to human RAET1E (retinoic acid early transcript 1E) and RAET1G (retinoic acid early transcript 1G). [provided by Alliance of Genome Resources, Apr 2022]