Predicted to be involved in antifungal humoral response; antimicrobial humoral immune response mediated by antimicrobial peptide; and negative regulation of antifungal innate immune response. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Orthologous to human FAM3A (FAM3 metabolism regulating signaling molecule A). [provided by Alliance of Genome Resources, Apr 2022]