Enables protein binding activity involved in heterotypic cell-cell adhesion. Involved in several processes, including negative regulation of interleukin-6 production; negative regulation of leukocyte migration; and negative regulation of neuroinflammatory response. Located in cell surface; neuron projection; and neuronal cell body. Orthologous to human CD200 (CD200 molecule). [provided by Alliance of Genome Resources, Apr 2022]