May play a role in neural crest cell migration into the third and fourth pharyngeal pouches. Predominantly nuclear. Found in all tissues examined with highest expression in liver, heart and skeletal muscle. Lower levels in pancreas and placenta. Weak expression in brain. Increased levels in several tumor cell lines, including lung and colon adenocarcinomas and mammary carcinomas. Strongly induced in Burkitt's lymphoma and lymphocytes transformed by EBV. Belongs to the gonadal family.