Copeptin is a reported alias of the human protein 'arginine vasopressin', encoded by the gene AVP. Anti-Copeptin antibodies are available from several suppliers. The full protein is reported to be 164 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.