Tca4 is a reported alias of the human protein 'C-C motif chemokine ligand 21', encoded by the gene CCL21. Anti-Tca4 antibodies are available from several suppliers. The full protein is reported to be 134 amino acid residues in length. Based on antigen name, there may be canine, porcine, monkey and rat variants of this protein. Antibodies to the Tca4 antigen may be useful for studying cytokine signaling. See the antibody supplier page for important details, including specific immunogenicity and validated applications.