TAC is a reported alias of the human protein 'tachykinin precursor 1', encoded by the gene TAC1. Anti-TAC antibodies are available from several suppliers. The full protein is reported to be 129 amino acid residues in length. Based on antigen name, there may be plant, canine, porcine, monkey, mouse and rat variants of this protein. See the antibody supplier page for important details, including specific immunogenicity and validated applications.