Predicted to be involved in several processes, including antimicrobial humoral immune response mediated by antimicrobial peptide; innate immune response in mucosa; and response to bacterium. Predicted to act upstream of or within defense response to bacterium and response to xenobiotic stimulus. Predicted to be active in extracellular space. Orthologous to human DEFA3 (defensin alpha 3); DEFA4 (defensin alpha 4); and DEFA6 (defensin alpha 6). [provided by Alliance of Genome Resources, Apr 2022]