Sey is a reported alias of the human protein 'paired box 6', encoded by the gene PAX6. Anti-Sey antibodies are available from several suppliers. The full protein is reported to be 422 amino acid residues in length. Based on antigen name, there may be canine, porcine, monkey, mouse and rat variants of this protein. The Sey antigen is a documented neural stem cell marker. See the antibody supplier page for important details, including specific immunogenicity and validated applications.