Thyroid Transcription Factor 1 is a reported alias of the human protein 'NK2 homeobox 1', encoded by the gene NKX2-1. Anti-Thyroid Transcription Factor 1 antibodies are available from several suppliers. The full protein is reported to be 371 amino acid residues in length. Based on antigen name, there may be canine, porcine, monkey, mouse and rat variants of this protein. See the antibody supplier page for important details, including specific immunogenicity and validated applications.