Predicted to enable DNA-binding transcription factor activity; metal ion binding activity; and sequence-specific DNA binding activity. Predicted to act upstream of or within regulation of DNA-templated transcription. Predicted to be located in nucleus. Human ortholog(s) of this gene implicated in Human papillomavirus infectious disease; colorectal cancer; immune dysregulation-polyendocrinopathy-enteropathy-X-linked syndrome; pulmonary tuberculosis; and type 1 diabetes mellitus. Orthologous to human FOXP3 (forkhead box P3).