FOXD1 belongs to the forkhead family of transcription factors which is characterized by a distinct forkhead domain. The specific function of this protein has not yet been determined; however, it may play a role in tumor formation.This intronless gene belongs to the forkhead family of transcription factors which is characterized by a distinct forkhead domain. The specific function of this gene has not yet been determined; however, it may play a role in tumor formation.