Predicted to enable calcium ion binding activity and mannose binding activity. Predicted to be involved in several processes, including antifungal innate immune response; negative regulation of tumor necrosis factor production; and plasmacytoid dendritic cell antigen processing and presentation. Predicted to act upstream of or within adaptive immune response and innate immune response. Predicted to be located in membrane. Predicted to be active in external side of plasma membrane. Orthologous to human CLEC4A (C-type lectin domain family 4 member A). [provided by Alliance of Genome Resources, Apr 2022]